Answers
The displacement of the cars is somewhere near 0 miles since they virtually finish where they started. Yet the successful cars have covered a distance of 500 miles
The cars essentially finish where they started, their displacement is close to zero kilometers. However, the winning vehicles have traveled 500 miles.
What is displacement?The separation between two places of an item in motion is known as displacement. Therefore, it relies on both the starting position and the ending position. Displacement is also the shortest distance between the initial and ultimate places.
The distinction between two locations of an object is known as displacement. Because it has both a direction and magnitude, it qualifies as a vector quantity. The symbol for it is an arrow pointing from the first position to the final position. The cars essentially finish where they started, their displacement is close to zero kilometers. However, the winning vehicles have traveled 500 miles.
Therefore, their displacement is close to zero kilometers.
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Related Questions
In a DC generator, the generated emf is directly proportional to the
Answers
In a DC generator, the generated electromotive force (emf) is directly proportional to the rotational speed of the generator's armature and the strength of the magnetic field within the generator.
This relationship is described by the equation for the generated emf in a DC generator:
Emf = Φ * N * A * Z / 60
Where:
Emf is the generated electromotive force (in volts),
Φ is the magnetic flux density (in Weber/meter^2\(meter^2\) or Tesla),
N is the number of turns in the armature winding,
A is the effective area of the armature coil (in square meters),
Z is the total number of armature conductors, and
60 is a constant representing the conversion from seconds to minutes.
From this equation, we can see that the generated emf is directly proportional to the magnetic flux density (Φ) and the product of the number of turns (N), effective area (A), and the total number of armature conductors (Z). This means that increasing any of these factors will result in a higher generated emf.
The magnetic flux density (Φ) can be increased by using stronger permanent magnets or increasing the strength of the field windings in the generator.
The number of turns (N) and the effective area (A) are design parameters and can be optimized for a specific generator. Increasing the number of turns or the effective area will result in a higher generated emf.
Similarly, the total number of armature conductors (Z) can be increased to enhance the generated emf.
By controlling and optimizing these factors, the generated emf in a DC generator can be increased, resulting in higher electrical output. However, it is important to note that there are practical limits to these factors based on the design and construction of the generator.
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Write the differences between rest and motion
Answers
Answer:
Depends on position
Explanation:
Rest:
A body is said to be at rest, if it does not change its position with respect to its surroundings.
Motion:
A body is said to be in motion, if it changes its position with respect to its surroundings.
The state of rest and motion is relative
A car with a mass of 1800 kg is traveling at a speed of 50.0 km/h on an icy road when it collides with a stationary truck. The two vehicles stick together after the collision, and their speed after the collision is 10 km/h. What is the mass of the truck?
Answers
The two vehicles stick together after the collision, and their speed/velocity after the collision is 10 km/h. The mass of the truck is 7200 kg.
What is velocity?When an item is moving, its velocity is the rate at which its direction is changing as seen from a certain point of view and as measured by a specific unit of time.
Given in the question a car with a mass of 1800 kg is traveling at a speed of 50.0 km/h on an icy road when it collides with a stationary truck. The two vehicles stick together after the collision, and their speed after the collision is 10 km/h. mass of truck is
Using conservation of momentum equation,
\(m_{1}v_{i} + M_{2} V_{i} = (m_{1} + M_{2}) V_{f}\)
here,
\(m_{1}\) = 1800 kg mass of car
\(v_{1}\) = 50 km/h velocity of car
\(V_{i}\) = 0 as the truck is stationary.
\(V_{f}\) = 10 km/h is the velocity when two vehicles stick together after the collision
1800.50 + 0 = (1800 + \(M_{2}\)).10
\(M_{2}\) = 7200 kg.
The mass of the truck 7200 kg.
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1. Describe how unequal heating and rotation of the Earth causes atmospheric and oceanic circulation patterns that determine the regional and global climate.
Answers
(a)Find the force (in N) of electrical attraction between a proton and an electron that are 7.4 ✕ 10−11 m apart.
(b)Compare this to the gravitational force between these particles. (Enter the gravitational force, in N.
Answers
The electrostatic force of attraction between the proton and electron is 4.2 x 10⁻⁸N.
The gravitational force between the proton and electron is 1.9 x 10⁻⁴⁷N.
a) Charge on proton = charge on electron = q = 1.6 x 10⁻¹⁹C
Distance between the proton and electron, r = 7.4 x 10⁻¹¹m
The electrostatic force of attraction between the proton and electron is given by,
F = 1/4πε₀(q²/r²)
F = 9 x 10⁹ x (1.6 x 10⁻¹⁹)²/(7.4 x 10⁻¹¹)²
F = 9 x 10⁹ x 2.56 x 10⁻³⁸/54.76 x 10⁻²²
F = 4.2 x 10⁻⁸N
b) Mass of the electron, m₁ = 9.1 x 10⁻³¹kg
Mass of the proton, m₂ = 1.67 x 10⁻²⁷kg
Distance between the proton and electron, r = 7.4 x 10⁻¹¹m
The gravitational force between the proton and electron is given by,
F = Gm₁m₂/r²
F = 6.67 x 10⁻¹¹x 9.1 x 10⁻³¹x 1.67 x 10⁻²⁷/(7.4 x 10⁻¹¹)²
F = 1.9 x 10⁻⁴⁷N
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A farmer hitches her tractor to a sled loaded with firewood and pulls it a distance
of 20 m along level ground (Figure 3). The total weight of sled and load is 14,700
2
N. The tractor exerts a constant 5000 N force at an of 36.9
◦ angle of above the
horizontal. A 3500 N friction force opposes the sled’s motion. Find the work
done by each force acting on the sled and the total work done by all the forces.
Answers
(a) The work done by the force applied by the tractor is 79,968.47 J.
(b) The work done by the frictional force on the tractor is 55,977.93 J.
(c) The total work done by all the forces is 23,990.54 J.
Work done by the applied forceThe work done by the force applied by the tractor is calculated as follows;
W = Fd cosθ
W = (5000 x 20) x cos(36.9)
W = 79,968.47 J
Work done by frictional forceW = Ffd cosθ
W = (3500 x 20) x cos(36.9)
W = 55,977.93 J
Net work done by all the forces on the tractorW(net) = work done by applied force - work done by friction force
W(net) = 79,968.47 J - 55,977.93 J
W(net) = 23,990.54 J
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A solid block weighs 1.80 N in air. When fully submerged in water, it displaces a volume of 2.0 x 10
-^5m³. Density of water is 1000 kg/m³.
Determine
a) the average density of the block
b) the normal force the floor of the vessel exerts on the submerged body
Answers
a) The average density of the block can be calculated using the formula for density.Since the mass of the block is 1.80 N and the volume is 2.0 × 10∧5 \(m^{3}\), the average density is 0.9 kg/\(m^{3}\).
What is mass ?Mass is a measure of the amount of matter contained in an object. It is a fundamental physical property that is commonly used to measure the size of objects. Mass is usually measured in grams (g) or kilograms (kg) but can also be measured in other units such as ounces, pounds and tons. Mass is different from weight, which is a measure of the force of gravity on an object.
b) The normal force the floor of the vessel exerts on the submerged body can be calculated using the formula for buoyancy. In this case, the normal force is equal to 1000 kg/\(m^{3}\) × 2.0 × 10∧5 \(m^{3}\)× 9.81 m/\(s^{3}\), which is equal to 1.962× 10∧8 N.
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In 2015, the minimum wage in Mexico is $7.00 per day. Minimum wage in the US is $60.00 per day at the same time. US workers must be paid overtime for more than 40 hours in a week, whereas Mexican workers may work 48 hours in a week before overtime must be paid. The United States, Canada and Mexico have a trade agreement (the North American Fair Trade Agreement, or NAFTA), that allows companies from the three countries to import and export agricultural (grown) products without tariffs. Tariffs are taxes paid on imports and exports. NAFTA also guarantees that companies from the member countries must honor each other's patents. You are a finance consultant for Bennie's company. Write a memo recommending that Bennie move the company to Mexico. Include the following information: ✓ How re-location of the business will reduce all three of the company's biggest expenses. (Write one paragraph for each of the biggest expenses explaining the benefits of re- location for each). supply ✓ How the re-location will make Bennie more competitive. ✓ Anticipate some of the concerns that Bennie might have about operating a business abroad. Address these concerns in the memo and convince him that the benefits outweigh the potential problems. Use these words in the memo: competition mit 2 NAFTA demand price quantity Section 4 supply chain off-shoring incentive quality manufacturing consumer
Answers
Answer:
Explanation:
MEMORANDUM
To: Bennie
From: Finance Consultant
Subject: Recommendation to Move the Company to Mexico
I am writing to recommend that we move our company to Mexico. The move will reduce our expenses, make us more competitive, and provide several other benefits. In this memo, I will discuss the three biggest expenses and how the move will help reduce them.
Firstly, labor is one of the biggest expenses for our company. The minimum wage in Mexico is only $7.00 per day, which is significantly lower than the $60.00 per day in the US. Furthermore, Mexican workers may work 48 hours in a week before overtime must be paid, whereas US workers must be paid overtime for more than 40 hours in a week. This means that we can save a lot of money on labor costs by relocating to Mexico.
Secondly, transportation is another major expense for our company. Mexico is closer to many of our suppliers, which means that we can reduce transportation costs by sourcing our materials locally. This will also help us to reduce our carbon footprint by decreasing the amount of fuel we use for transportation.
Thirdly, the cost of doing business in Mexico is generally lower than in the US. Mexico has lower taxes and fewer regulations, which means that we can save money on compliance and other administrative costs. Additionally, the North American Fair Trade Agreement (NAFTA) allows companies from the member countries to import and export agricultural products without tariffs, which will help us to reduce our costs further.
The re-location will make us more competitive by allowing us to offer lower prices to our customers. Lower labor and transportation costs will enable us to produce our products at a lower cost, which means that we can sell them at a lower price. This will help us to increase our market share and attract more customers.
I anticipate that Bennie may have concerns about operating a business abroad. However, the benefits of the move far outweigh the potential problems. By off-shoring to Mexico, we can take advantage of the incentives provided by the Mexican government and create a better supply chain for our manufacturing processes. We can also maintain the quality of our products and ensure that they meet the demand and quantity required by our consumers.
In conclusion, I strongly recommend that we move our company to Mexico. The move will reduce our expenses, make us more competitive, and provide several other benefits. Thank you for your consideration, and please do not hesitate to contact me if you have any questions.
Sincerely,
[Your Name]
An ideal gas initially is allowed to expand isothermally until its volume of 1.6 L and pressure is 5 kPa, undergoes isothermal expansion until its volume is 8 L and its pressure is 1 kPa.
1. Calculate the work done by the gas. Answer in units of kJ.
2. Find the heat added to the gas during this process. Answer in units of kJ.
Answers
(a) The work done by the gas during the isothermal expansion is -25.6 J.
(b) The heat added to the gas during this process is 25.6 J.
Net work done by the ideal gas against the external pressureThe net work done by the ideal gas in the isothermal expansion is calculated as follows;
W(net) = ΔP x ΔV
W(net) = ( 1 kPa - 5 kPa) x (8L - 1.6 L)
W(net) = -25.6 kPa.L
W(net) = -25.6 J
Head added to the gasThe heat added to the gas is calculated as follows;
W = -Q
-25.6 J = -Q
Q = 25.6 J
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____ is based on the acceptance of rules and laws.
Multiple Choice
1. Rational-legal authority
2. Traditional authority
3. Legal power
4. Political power
Answers
Name:.
Date:
Homework: Writing an Argument About
Australia's Skin Cancer Rate
G
4
You now have enough evidence to explain why Australia's skin cancer rate is so high. Review your
argument from Chapter 2 and think about how you will convince the AHA that both Claim 2 and
Claim 3 are accurate. You will use your completed Reasoning Tool from Activity 3 to revise and add to
your argument.
Question: Why is the skin cancer rate in Australia so high?
Answers
How is thermal energy being transferred when steam rises from a beaker of boiling water?
O A. Conduction
• B. Radiation
O c. Translation O D. Convection
Answers
Answer:
d. convention
Explanation:
hope this helped
What type of circuit is in the diagram?
b
O series circuit
O parallel circuit
PLEASE HELPPP
Answers
A 0.842g sample of Hydrogen 3 decays until 0.0526g remains. How many half lives have occurred?
Answers
A 0.842g sample of Hydrogen-3 decays to 0.0526g. Approximately 4.206 half-lives have occurred.
To determine the number of half-lives that have occurred, we can use the decay equation and the concept of exponential decay. The decay equation for radioactive decay is given by:
N(t) = N₀ * (1/2)^(t/T),\((1/2)^(^t^/^T^),\)
where N(t) is the remaining amount of the substance at time t, N₀ is the initial amount, t is the time elapsed, and T is the half-life of the substance.
In this case, we have an initial mass of 0.842g (N₀) and a remaining mass of 0.0526g (N(t)). We can set up the equation as follows:
0.0526g = 0.842g \(* (1/2)^(^t^/^1^2^.^3^2)\),
where t represents the number of half-lives that have occurred.
To solve for t, we can take the logarithm of both sides of the equation:
log(0.0526g/0.842g) = log\([(1/2)^(^t^/^1^2^.^3^2^)\)].
Using the logarithmic property log(\(a^b\)) = b*log(a), we can rewrite the equation as:
log(0.0526g/0.842g) = (t/12.32) * log(1/2).
Simplifying further:
log(0.0526g/0.842g) = (t/12.32) * (-log2),
where log2 is the logarithm base 2.
Now, we can solve for t:
t = (12.32 * log(0.0526g/0.842g)) / (-log2).
Using the given values and performing the calculation, we find:
t ≈ 4.206.
Therefore, approximately 4.206 half-lives have occurred.
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Can i get the answers from 1 to 5
Answers
The visible light, microwave, ultraviolet and infra red waves represents the different form of electromagnetic waves.
light is classified as energy because electrical and magnetic field vibrate.
Light is a energy that travels by radiation,
Heat energy is also know as IR radiation.
microwave are one type of radiation.
Electromagnetic spectrum is nothing but the range of wavelengths or frequencies on which electromagnetic radiation extend. it is whole distribution of electromagnetic waves according to frequency or wavelength. Electromagnetic wave is nothing but a photon which carries energy. Photon has frequency, wavelength as well as amplitude.
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Which is a characteristic of an electromagnetic wave?
The fields are at right angles to each other and to the direction of the wave.
The waves are produced when an electric charge is at rest.
The fields are aligned with each other and to the direction of travel.
The fields are independent of each other.
Answers
Answer:
The fields are at right angles to each other and to the direction of the wave.
Explanation:
The small amount of missing mass that occurs when _____ atoms fuse to form helium
atoms is converted into energy in the form of heat and light.
nitrogen
hydrogen
barium
Ochromium
Answers
hydrogen
Explanation:Atomic fusion occurs when 2 or more atoms combine to create a new element.
Helium
Before figuring out what elements create helium, we need to understand its properties. Helium is the second element on the periodic table. It has 2 protons and usually 2 electrons in the base state.
There are technically ions but base helium will have 2 electrons, especially because it is a noble gas.
Fusion
In most cases, including this one, when 2 atoms fuse together you can add their protons together to find the atomic number of the new element. Since helium only has 2 protons, the elements fused to form helium must both have 1 proton.
The element with 1 proton is hydrogen. So, 2 hydrogen atoms fuse to form helium.
Real World Applications
Fusion can be seen across the universe. One of the most common examples of hydrogen fusing to become helium is in stars. Due to the heat within stars, 2 hydrogen atoms can fuse together to create helium. This process also creates energy in the form of heat and light that the star is made of.
6. A picture of weight, w is hanging from a steel nail as shown in the figure below. The nail has a diameter of 1.50 mm and an original length, Lo = 5.0 mm. Useful Information: The shear modulus, G for steel is 80 x 10° N.m². (a) (b) (c) 1.50 mm 3 Ax = 1.80 μm W Lo = 5.00 mm M What kind of deformation occurs in this case? How are stress and strain in this deformation related to each other? [3] When the picture is hung from the nail, the head of the nail displaces vertically downwards by an amount Ax = 1.80 µm. Find the mass of the picture. Neglect the weight of the nail. [6] What angle does the nail make with the horizontal after the picture is hung from it? [2]
Answers
The mass of the picture is approximately 5.19 kilograms.
How to solve for the problemThe deformation in this case is called shear deformation, a type of deformation that occurs when parallel internal surfaces slide past one another. It is caused by shear stress in the structure. The shear stress (τ) is the force (F) applied divided by the cross-sectional area (A) of the nail. The shear strain (γ) is the displacement (Δx) divided by the original length (L0).
The relationship between shear stress and shear strain is given by the shear modulus (G) in the formula:
τ = G * γ
To find the weight of the picture, we need to calculate the shear stress first:
The cross-sectional area A of the nail is given by the formula for the area of a circle:
A = πr² = π(d/2)² = π(0.0015 m / 2)² = 1.767 x 10^-6 m².
The shear strain γ is given by:
γ = Δx / L0 = (1.80 x 10^-6 m) / (5 x 10^-3 m) = 0.36.
The shear stress τ can now be calculated by rearranging the formula:
τ = G * γ
=> τ = (80 x 10^9 N/m²) * 0.36 = 28.8 x 10^9 N/m²
The force F on the nail is equal to the weight w of the picture, and it can be calculated from the shear stress:
τ = F / A
=> F = τ * A = (28.8 x 10^9 N/m²) * (1.767 x 10^-6 m²) = 50.89 N.
Since weight w = m * g, where m is mass and g is the acceleration due to gravity (approximately 9.81 m/s²), we can find the mass m:
m = w / g = (50.89 N) / (9.81 m/s²) = 5.19 kg.
So, the mass of the picture is approximately 5.19 kilograms.
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What is the acceleration of a box weighing 596 N if a force of 777 N is applied to it?
Answers
Answer:
\(12.79 m/s^2\)
Explanation:
1. Apply Newton's 2nd law:
\(F=ma\)
2. Use the definition of weight to find the mass of the box:
\(W=mg=m=\frac{W}{g}\)
3. Solve for acceleration in Newton's 2nd law and substitute for mass:
\(a=\frac{F}{\frac{W}{g} }\)
4. Plug in the given values from the question and assume \(g=9.81m/s^2\):
\(a=\frac{777N}{\frac{596N}{9.81m/s^2} } } =12.79m/s^2\)
Larry the Rock was lonely for multiple years. The inertia that Larry possessed intimated those who walked past by it, therefore people never moved Larry.
Larry constantly watched people and cars accelerate past him but sadly he has never had the opportunity to experience acceleration.
But one day, David decides to let Larry experience acceleration and tried to push him. His friend Pancho heard about this and decided to help out. But
because Pancho was not listening in Physics class, he was pushing Larry from the opposite side of David with an equal amount of force and Larry was sad
he still did not get to move.
What type of Equilibrium is Larry going through?
O Static Equilibrium
O Kinetic Equilibrium
O Dynamic Equilibrium
O Geo Equilibrium
O Francesca Equilibrium
Answers
First option is correct.Larry the Rock is going through Static Equilibrium.
In this situation, Larry is at rest and remains stationary despite the forces acting on him. While David and Pancho are exerting equal forces from opposite sides, their forces cancel each other out, resulting in a net force of zero. As a result, Larry does not move or experience any acceleration.
Static equilibrium occurs when an object's forces and torques balance each other, leading to a stable, balanced state. In this case, the forces exerted by David and Pancho are equal in magnitude and opposite in direction, creating a condition where the resultant force is zero. As a result, Larry remains in a state of rest, unable to experience any movement or acceleration.Therefore, the type of equilibrium that Larry the Rock is going through is Static Equilibrium.
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Students measure how much work it takes to lift an object two meters. They use an inclined plane that is 3 meters long, an inclined plane that is 4 meters long, and a compound pulley. Which statement is correct?
A. All three simple machines will require the same amount of work
B. The 4-meter plane will require the least amount of work
C. The 3-meter plane will require the least amount of work
D. The compound pulley will require the least amount of work
Answers
With only one applied force and one load force, a simple machine may perform work.
What is true about all simple machines?With only one applied force and one load force, a simple machine may perform work.The work performed by the load equals the work performed by the applied force when friction losses are taken into account.Inclinable planes, levers, and pulleys are the three simplest simple machines.While simple machines may increase or decrease the forces that can be applied to them, they have no effect on the overall amount of work required to complete the activity.There are three ways simple machines facilitate work: by extending the distance over which force is applied, by reversing the direction in which force is applied, or by boosting the force and speed of the energy applied.To learn more about applied force refer
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You serve a tennis ball of mass 60g at a speed of 50
m/s, what is the impulse exerted on the ball? ( ball starts from rest )
Answers
Answer:
\(J = 3~Kg.m/s\)
Explanation:
Impulse and Momentum
The impulse-momentum theorem states that the change in momentum of an object equals the impulse applied to it.
The equation can be written as follows:
\(J =\Delta p = p_2-p_1\)
Where:
J = Impulse
p2 = Final Momentum
p2 = Initial Momentum
The momentum can be calculated as:
p = m.v
Where m is the mass of the object and v is the velocity.
The tennis ball with mass m=60 g = 0.06 Kg was served from rest (v1=0) to v2=50 m/s. The change in momentum is:
\(\Delta p = 0.06Kg~50~m/s-0\)
\(\Delta p = 3~Kg.m/s\)
Thus the impulse is:
\(\marhbf{J = 3~Kg.m/s}\)
A 1.0KW kettle contains 500g of boiling water. Calculate the time needed to evaporate all the water in the kettle. (Specific latent heat of vaporization of water=2.26MJKG^-1
Answers
The time needed to evaporate all the water in the kettle is 1.13 x 10³s.
What is Power?The power is defined as the the ratio of amount of energy produced per unit time.
P =E/t
Energy is in the form of heat gained to evaporate all water in kettle.
E = Q =mL
So, P = mL/t
Substitute mass of water m = 0.5kg, latent heat of vaporization of wate L = 2.26 x 10⁶ J/kg, power P= 10³ W, we have
10³ = (0.5 x 2.26 x 10⁶) /t
t = 1.13 x 10³s
Thus, the time needed to evaporate all the water is 1.13 x 10³s.
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calculate the current that flows through a 60W bulb if the voltage across is 230V
Answers
The current flow through a 60W bulb if the voltage across is 230V is 0.26 A.
P = V I
P = Power
V = Voltage
I = Current
P = 60 W
V = 230 V
I = P / V
I = 60 / 230
I = 0.26 A
Ohm's law states that if the temperature across a conductor remains the constant, the ratio of potential difference across the conductor to the current flowing in the conductor will also be constant.
Therefore, the current flow through a 60W bulb if the voltage across is 230V is 0.26 A.
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If a 2.5 m long pendulum has a bob of 75 g. Calculate its Period, Frequency, and velocity at
equilibrium after its bob is pulled 10 cm above equlibrium and then released.
Answers
Time period and frequency of the pendulum are respectively 3.17 second and 0.315 second⁻¹. The velocity of its bob at the equilibrium is
140 cm/s.
Given parameters:
Length of the pendulum, L = 2.5 m = 250 cm.
Mass of the bob, m = 75 g
And, bob is pulled 10 cm above equilibrium and then released.
acceleration due to gravity, g = 9.8 m/s².
Hence, time period of the pendulum is, T = 2π√(l/g)
= 2π√( 250/980) second.
= 3.17 second.
Frequency of the pendulum , n = 1/T = 1/3.17 second⁻¹ = 0.315 second⁻¹.
Let v be the velocity of the bob at equilibrium,
Kinetic energy at equilibrium = potential energy at the highest point
⇒ 1/2 × 75 × v² = 75 × 980 × 10
⇒ v = √(2×980×10)
= 140 cm/s.
So, the velocity at equilibrium after its bob is pulled 10 cm above equilibrium and then released is 140 cm/s.
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1. What does Louis de Broglie's principle propose about electrons?
They have energy and momentum.
They behave as a wave and a particle.
They contain high-energy and low-energy photons.
They interact with other electrons to form new substances.
Answers
Louis de Broglie's principle of electrons states that (b) They behave as a wave and a particle.
The de Broglie equation is one of the equations that is commonly used to define the wave properties of matter. It basically describes the wave nature of the electron.Electromagnetic radiation, exhibit dual nature of a particle (having a momentum) and wave (expressed in frequency, wavelength). Microscopic particle-like electrons also proved to possess this dual nature property.Louis de Broglie in his thesis suggested that any moving particle, whether microscopic or macroscopic will be associated with a wave character. It was called ‘Matter Waves’. He further proposed a relation between the velocity and momentum of a particle with the wavelength, if the particle had to behave as a wave.Particle and wave nature of matter, however, looked contradictory as it was not possible to prove the existence of both properties in any single experiment. This is because of the fact that every experiment is normally based on some principle and results related to the principle are only reflected in that experiment and not the other.To know more about electrons visit:
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Each of the following figures shows a person (not to scale) located on Earth at either 40°N or 40°S latitude. Rank the figures based on how much time the person spends in daylight during each 24-hour period, from most to least. To rank items as equivalent, overlap them.
Answers
The ranking is based on the tilt of the Earth's axis and its orbit around the Sun. The figure at 40°N in June receives the most daylight because it is located at a high latitude during the summer solstice in the Northern Hemisphere. The Earth's axis tilts towards the Sun, resulting in longer days and shorter nights. The figure at 40°S in December receives a moderate amount of daylight as it is located at a lower latitude during the summer solstice in the Southern Hemisphere.
The figure at 40°N in December experiences less daylight because it is located at a high latitude during the winter solstice in the Northern Hemisphere, with shorter days and longer nights. Lastly, the figure at 40°S in June receives the least amount of daylight as it is located at a lower latitude during the winter solstice in the Southern Hemisphere, where the days are shortest and the nights are longest. Based on the information given, the ranking of figures based on the amount of daylight they experience in a 24-hour period, from most to least.
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The table below lists the speed that sound travels through four different materials.One of these materials is a gas, two are liquids, and one is a solid. Which material is most likely the solid?A.AB.BC.CD.D
Answers
In order to find the solid, you would want the object in which sound travels the fastest
In this case, since in object C, the speed of sound is the fastest, it is the most likely to be a solid
So object C is most likely to be a solid
what is capasistanceb
Answers
\(\sf\huge\underline\pink{Answer:-}\)
Capacitance is the ratio of the change in the electric charge of a system, to the corresponding change in its electric potential.\(\rightarrow\)The capacitance of any capacitor can be either fixed or variable depending on their usage.
\(\rightarrow\)Capacitance is expressed as the ratio of the electric charge on each conductor to the potential difference (i.e., voltage) between them.
\(\rightarrow\)The capacitance value of a capacitor is measured in farads (F), units named for English physicist Michael Faraday (1791–1867).
\(\sf\large\underline\blue{Formula:-}\)
➢ \(\sf\green{q = CV}\)
Where,
\(\rightarrow\sf{q = charge}\)
\(\rightarrow\sf{C = capacitance}\)
\(\rightarrow\sf{V = voltage}\)
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(a) A pendulum that has a period of 3.00000 s and that is located where the acceleration due to gravity is 9.79m/s2 is moved to a location where the acceleration due to gravity is 9.82m/s2. What is its new period
Answers
I assume this is the motion of the simple pendulum
T = 2π × \(\sqrt{\frac{L}{g } }\)
=> \(\frac{T1}{T2 }\) = \(\sqrt{\frac{g2}{g1} }\)
Given T1= 3s g1= 9.79 g2= 9.82
=> T2 = 3.00459 s