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The ratio of the canister's velocity, as measured on Earth, to the speed of light is 0.972c/c = 0.972. The ratio of the canister's velocity, as measured on Earth, to the speed of light is 0.172c/c = 0.172.

a) If the canister is shot directly at Earth, we need to use the relativistic velocity addition formula to find the velocity of the canister as measured on Earth. Using v = (v1 + v2)/(1 + v1v2/c^2), we get v = (0.75c + 0.55c)/(1 + 0.75c x 0.55c/c^2) = 0.972c. Therefore, the ratio of the canister's velocity, as measured on Earth, to the speed of light is 0.972c/c = 0.972.

b) If the canister is shot directly away from the Earth, we use the same formula but with v2 being negative. Therefore, v = (0.75c - 0.55c)/(1 - 0.75c x -0.55c/c^2) = 0.172c. Therefore, the ratio of the canister's velocity, as measured on Earth, to the speed of light is 0.172c/c = 0.172.

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Answer:

 local stresses may exceed the limits of the glass

Explanation:

When hot water is applied locally to a portion of a glass vessel, it causes the immediate area to expand. That expansion stresses the region around the expanding area. The stresses may exceed the limit the glass can tolerate, so cause the glass to crack.

__

This was brought home rather dramatically when a strong stream of cold water was run into a glass container full of hot water. The bottom contracted and literally fell out.

Answer:

The velocity-time graph is illustrated and it shows the speed and direction that's traveled by the bicycle.

A velocity-time graph simply shows the speed and the direction that an object travels over a particular period of time.

It should be noted that they're also known as the speed-time graph. On the vertical axis is the velocity of the object.

Since 60 minutes = 1 hour 3 minutes will be converted to hour. This will be:

= 3/60 = 1/20 hour.

5 minutes will be changed to hour. This will be: = 5/60 = 1/12 hours.

Explanation:

Given data,

Mass of the bus is m = 9800 kg,

Speed of the bus is v = 40 mph,

Converting speed of the bus in m/s, {1 miles per hour = 0.447 meter per second}

v = 40*0.447

v = 17.88

Calculating momentum of the bus,

If A 6.3 kg ball moving at 0.6 m/s collides with a 4.8 kg ball at rest. If the heavier ball moves at 0.25 m/s after the collision, then the lighter ball moves at 0.459 m/s after the collision.

To solve this problem, we can apply the principle of conservation of momentum. According to this principle, the total momentum before the collision is equal to the total momentum after the collision, provided no external forces are acting on the system.

The momentum of an object is defined as the product of its mass and velocity. Mathematically, momentum (p) is calculated as:

p = mass × velocity

Before the collision, the total momentum is given by:

Total momentum before = (mass of ball 1 × velocity of ball 1) + (mass of ball 2 × velocity of ball 2)

Total momentum before = (6.3 kg × 0.6 m/s) + (4.8 kg × 0 m/s) (since the second ball is at rest)

Total momentum before = 3.78 kg·m/s

After the collision, the total momentum is given by:

Total momentum after = (mass of ball 1 × velocity of ball 1) + (mass of ball 2 × velocity of ball 2)

Total momentum after = (6.3 kg × 0.25 m/s) + (4.8 kg × velocity of ball 2)

Total momentum after = 1.575 kg·m/s + (4.8 kg × velocity of ball 2)

According to the conservation of momentum principle, the total momentum before the collision is equal to the total momentum after the collision:

Total momentum before = Total momentum after

3.78 kg·m/s = 1.575 kg·m/s + (4.8 kg × velocity of ball 2)

Simplifying the equation:

3.78 kg·m/s - 1.575 kg·m/s = 4.8 kg × velocity of ball 2

2.205 kg·m/s = 4.8 kg × velocity of ball 2

Dividing both sides of the equation by 4.8 kg:

velocity of ball 2 = 2.205 kg·m/s / 4.8 kg

velocity of ball 2 ≈ 0.459 m/s

Therefore, the lighter ball (ball 2) moves at approximately 0.459 m/s after the collision.

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The units that are equivalent to those of motional emf are b) V x m^2/s and e) T x m.

Motional emf is the electromotive force generated in a conductor when it moves through a magnetic field or when a magnetic field changes within a stationary conductor. The motional emf is given by the equation EMF = B * v * l, where B is the magnetic field strength, v is the velocity of the conductor, and l is the length of the conductor perpendicular to the magnetic field.

In terms of units, the magnetic field strength B is measured in Tesla (T), velocity v is measured in meters per second (m/s), and length l is measured in meters (m). Multiplying these units together, we get T x m/s x m = T x m, which is equivalent to option e.

Additionally, the product of voltage (V) and area (m^2) divided by time (s) gives the units of V x m^2/s, which is also equivalent to motional emf. This is because voltage represents the potential difference across the conductor, and the product of voltage and area divided by time gives the rate of change of magnetic flux, which induces the motional emf.

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Estimating the number of apples that is the energy equivalent of 1 gallon of gasoline is difficult, as the energy content of both substances is different. However, we can calculate the energy content of one gallon of gasoline and compare it to the energy content of one apple. So, approximately 1,045,454 medium-sized apples will be the energy equivalent of one gallon of gasoline.

Explanation:

What is the energy content of 1 gallon of gasoline?

The energy content of gasoline is measured in British Thermal Units (BTUs). According to the US Energy Information Administration, one gallon of gasoline contains approximately 115,000 BTUs.Therefore, to calculate the number of apples that are the energy equivalent of one gallon of gasoline, we need to determine the energy content of one apple.

Calculating the energy content of apples:

The energy content of an apple varies depending on its size and type, but on average, one medium-sized apple contains about 95 calories or 0.00011 BTUs.To calculate how many apples are equivalent to one gallon of gasoline, divide the BTU content of gasoline by the BTU content of one apple:115,000 BTUs ÷ 0.00011 BTUs/apple ≈ 1,045,454 applesTherefore, approximately 1,045,454 medium-sized apples are the energy equivalent of one gallon of gasoline.

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Answer:

I dont know because I am in 7th class

It's worth noting that this is a rough estimate and the actual number of 600 nm photons emitted by a 100 watt light bulb could be different depending on the specific characteristics of the light bulb and the conditions under which it is used is 45 photons per second.  

The amount of light emitted by a 100 watt light bulb is typically measured in lumens. One lumen is the amount of light that would travel through a one-square-foot area if that area were one foot away from the source of light.

The wavelength of light is an important factor in determining how much light is emitted. Light with shorter wavelengths, such as blue or violet light, has more energy than light with longer wavelengths, such as red or orange light.

The number of 600 nm photons emitted by a 100 watt light bulb, we need to know the intensity of the light in terms of lumens per steradian. The lumens per steradian can be calculated by dividing the total lumens by the area of the light source.

For a 100 watt light bulb, the lumens per steradian can be estimated to be around 1200 lumens per steradian.

We can then calculate the number of 600 nm photons emitted by multiplying the lumens per steradian by the fraction of the electromagnetic spectrum that is made up of 600 nm light. According to the CIE standard, the spectral luminous efficiency of a 100 watt incandescent light bulb is around 15 lumens per watt for light in the visible range, and 0.3% of the light is in the 600 nm range.

Therefore, the number of 600 nm photons emitted by a 100 watt light bulb can be calculated as follows:

Number of 600 nm photons = Intensity of light in lumens per steradian x Fraction of electromagnetic spectrum made up of 600 nm light x Lumens per watt for light in the visible range

Number of 600 nm photons ≈ 1200 lumens per steradian x 0.003 x 15 lumens per watt

Number of 600 nm photons ≈ 45 photons per second

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The cylinder's diameter and length must be precisely determined to achieve the necessary performance for a given application.

A pneumatic shock absorber consists of a cylinder with a radius of 1.5 cm and a length that varies from a maximum of 30 cm. In the case of a pneumatic shock absorber, the cylinder's size is a crucial aspect of the design. Pneumatic shock absorbers function by moving air through the cylinder to slow and stabilize the motion of a vehicle or machine, dissipating energy and preventing damage to the system. The absorber's strength is determined by the pressure differential between the cylinder's internal and external pressures. It can vary according to the cylinder's diameter, length, and other factors. Therefore, the cylinder's size, including the radius and length, affects the shock absorber's overall strength and efficiency. The greater the cylinder's length and radius, the stronger the shock absorber and the more significant the system's ability to withstand shock.

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Answer:

50 kmph

Explanation:

300 / 6 = 50

Answer:

True

Explanation:

The reproductive success of any species is the capability to produce their offspring per breeding lifetime or event.

Most of the species have to attract their partners by their physical capability and build up so that the mother can choose her partner in order to breed the best kind of off spring.

In the context, in case of deer, the size of the their antlers as well as behavior in herding is considered as the best chances for a successful reproduction to compete among the males and find their breeding mate.

Thus the answer is TRUE.

An object that is at the origin (x = 0 m) at t = 0 s. at t = 4.0 s, the object’s position is 12 m.

Calculating the object's acceleration in seconds between 0 and 4.

Since the velocity is constant between t=0 and t=4s, the acceleration is zero. S(t) = t2 + 4t + 4

gives the position of a particle travelling in a straight line at any time t. When t = 4,

The particle accelerates at a rate of 2 m/s2.

The instantaneous velocity is displayed at time t0, which also happens to be the position function's greatest value. At this time, the instantaneous velocity is 0 because the slope of the location graph is zero. The pace at which a particle's position changes is referred to as its velocity. By differentiating the position function, you may get the velocity as a function of time.

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The object's position after 4.0 seconds is 20 meters.

The given graph represents the velocity-time graph of an object starting at the origin (x = 0 m) at t = 0 s. To calculate the object's position after 4.0 seconds, we need to compute the area under the velocity-time graph from 0.0 to 4.0 seconds.

By integrating the velocity function over the interval [0, 4], we can find the displacement of the object. The area under the curve in the interval [0, 4] is calculated using the formula for the area of a trapezoid.

The area of the trapezoid is determined as follows:

Area of trapezoid = 1/2 (4 + 2) * 4 = 12m

Additionally, we add the areas of the two triangles to the area of the trapezoid to obtain the total area:

Area of Triangle A = 1/2 * 4 * 2 = 4m

Area of Triangle B = 1/2 * 2 * 4 = 4m

Total area = 4 + 12 + 4 = 20 m

Therefore, the object's position after 4.0 seconds is 20 meters.

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When there is no motion in the system and all forces and moments balance each other, the system is at equilibrium. So, in order to determine the mass of the counterweight, let's try to analyze the given system:We have a crane as shown in the figure with two arms: BD and BC.

It is given that the crane system is in equilibrium condition. In addition, the arm BD has a mass of 5000 kg and its center of mass is at G1, while the arm BC has a mass of 2000 kg and its center of mass is at G2. The counterweight is not given. Let us assume the mass of the counterweight to be M kg. The whole system is symmetrical about the vertical axis through A. So, the weight of the whole system acts at the point A.

Now, let's find the equation of moments about A:The moments of BD, BC and counterweight at A are given by:BD: (weight of BD) x (distance of G1 from A) = 5000g x 6BC: (weight of BC) x (distance of G2 from A) = 2000g x 12Counterweight: (weight of counterweight) x (distance of center of gravity from A) = Mg x 15 (the counterweight acts 15 m away from A)

The moments must balance each other for the system to be in equilibrium. So, equating the moments:5000g x 6 + 2000g x 12 = Mg x 15On solving this equation, we get:M = 3200 kgTherefore, the mass of the counterweight is 3200 kg.

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Answer:

These are the two basic forms of energy. The different types of energy include thermal energy, radiant energy, chemical energy, nuclear energy, electrical energy, motion energy, sound energy, elastic energy and gravitational energy.

Explanation:

To calculate the resulting kinetic energy of an electron subjected to an electric field, we need to know the charge of the electron and assume it is accelerated through the electric field.

The charge of an electron is approximately -1.6 x 10^-19 coulombs (C). Given that the electron is at rest initially, its initial kinetic energy is zero.

The electric field is given as 12 kV/m, which can be converted to volts per meter (V/m) by multiplying by 1000. Therefore, the electric field is 12,000 V/m.

The work done on the electron by the electric field is equal to the change in its kinetic energy. The work done can be calculated using the formula:

Work = force * distance

The force experienced by the electron in an electric field is given by Coulomb's law:

Force = charge * electric field

Substituting the values:

Force = (-1.6 x 10^-19 C) * (12,000 V/m)

Now, we can calculate the work done:

Work = (-1.6 x 10^-19 C) * (12,000 V/m) * (1.5 m)

To convert the work done to kinetic energy, we use the fact that work done is equal to the change in kinetic energy:

Work = Change in kinetic energy

Therefore, the resulting kinetic energy of the electron is equal to the calculated work done.

Now, let's perform the calculations:

Work = (-1.6 x 10^-19 C) * (12,000 V/m) * (1.5 m)

= -28.8 x 10^-19 J

Note: The negative sign indicates that the work is done on the electron, which increases its kinetic energy.

To express the kinetic energy in femtojoules (fJ), we need to convert from joules (J) to femtojoules (fJ):

1 J = 10^15 fJ

Therefore, the resulting kinetic energy of the electron is:

Kinetic energy = -28.8 x 10^-19 J = -28.8 x 10^-4 fJ

Please note that the resulting kinetic energy is negative, indicating that work was done on the electron to accelerate it.

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Answer:

it is a property of motion

(a) The glasses are a height y above the ground at time t according to

y = 225 m - 1/2 g t²

where g = 9.80 m/s² is the magnitude of the acceleration due to gravity. They reach the ground when y = 0 :

0 = 225 m - 1/2 g t²

t² = (450 m) / g

t ≈ 6.78 s

(b) The glasses have a velocity v of

v = - g t

so that at the time they hit the ground, they do so with a velocity of

v = - g (6.78 s)

v ≈ 66.4 m/s

Answer:

Electrons

Explanation:

The electrons are called the subatomic particles. The electrons have one of the symbol of e-and β-. The electrons are the first generation of the Lepton particles. These are generally describe the elementary particles. These particles do not have components and substructure.

Like all other elements the electrons also exhibits some types of properties. These electrons also hit with another particles and start to diffracted in different direction like lights.

The wave property of the electrons can be observed with the help of experiment.

Answer:

hey are you ok!?!?!?!

Explanation:

Is Angie your Dad new gf or wife???

Answer:

:(

Explanation:

u ok?

running away from problems only makes things worse. Your teaching urself to run. but I dont blame u

anyway hope u find what ur looking for out there!!

Answer:

your answer would be c !

Explanation:

Answer:

By applying relative small force to the smaller piston

Explanation:

If a car sits on top of the large piston, it can be lifted by applying a relatively small force to the smaller piston, the ratio of the forces being equal to the ratio of the areas of the pistons

To Make I the subject you need to get it by itself. To do this divide both sides by V and t:

I = E/Vt

Answer:the rock is heaver and gravity pulls it down while the feather floats for a while and then reaches the ground

Explanation:i dont know if this is the right answer or not

Answer:

The constriction in the thermometer is to prevent the mercury from dropping back to the bulb when the reading is being taken. It is easier for us to take reading. It prevents the thermometric substance (Mercury or Alcohol) from running back into the bulb.

Explanation:

Hope it is helpful....

Answer:

constriction is made in a clinical thermometer because it prevents the thermometric liquid from running back into the bulb.

The process of connecting batteries in parallel involves linking all their positive terminals together and similarly for their negative ones. Such an arrangement guarantees that there is no variation in the voltage discrepancy between every battery's polar ends.

Parallel connection is an electrical arrangement that involves connecting circuit components to a common voltage source in multiple pathways. Typically, two common points link these components with one another. The primary objective of such setups is enhancing current flow within circuits by providing more channels for current to travel through.

Each component in these configurations experiences identical voltage values without any change; however, differing currents per component exist at various times during their usage cycle. Nevertheless, all individual currents converge into a single total current flowing through the entire circuit.

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The density of water is 1.0 g/cm³. It's required to determine the mass of water displaced by a submerged 120-cm³ block and the buoyant force on the block.To find the mass of water displaced by a 120 cm³ block, we first need to know the mass of 1 cm³ of water, which is equal to its density, which is 1.0 g/cm³.

The volume of the block is 120 cm³, so we can calculate its mass by multiplying its volume by the density of water. Therefore, the mass of the block submerged in water is:120 cm³ × 1.0 g/cm³ = 120 gTo find the number of kilograms, we divide the value obtained by 1000. Therefore, 120 g = 0.12 kg.The buoyant force is equal to the weight of the water displaced by the block. The buoyant force equals the weight of water displaced by the object.

The weight of 1 cm³ of water is 9.8 N (newtons), which is equal to the weight of 1 g of water. We can use this to calculate the weight of water displaced by the block as follows:120 cm³ × 1.0 g/cm³ × 9.8 N/g = 1176 NTherefore, the buoyant force acting on the block is 1176 N (Newtons).

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The de Broglie wavelength of an electron can be calculated using the equation λ = h/p, where λ is the de Broglie wavelength, h is Planck's constant, and p is the momentum of the electron.

To find the final momentum of the electron, we can use the equation p = √(2mE), where p is momentum, m is the mass of the electron, and E is the potential difference.

Plugging in the given values, we get:

p = √(2 x 9.11 x 10^-31 kg x 652 V)

Using this momentum in the de Broglie wavelength equation, we get:

λ = h/p
λ = (6.626 x 10^-34 Js) / (1.34 x 10^-25 kg m/s)
λ ≈ 4.96 x 10^-10 m

Therefore, the final de Broglie wavelength of the electron is approximately 4.96 x 10^-10 meters.

It's important to note that we assumed the final speed of the electron is much less than the speed of light in our calculation.
Hi! To calculate the final de Broglie wavelength of an electron that accelerates through a potential difference of 652 V, we can use the following steps:

1. First, calculate the kinetic energy (KE) gained by the electron using the potential difference:
KE = e * V
where e is the elementary charge (1.6 x 10^-19 C) and V is the potential difference (652 V).

2. Next, find the momentum (p) of the electron using the kinetic energy and the relativistic mass-energy relationship, since the final speed is much less than the speed of light:
p = sqrt(2 * m_e * KE)
where m_e is the electron mass (9.11 x 10^-31 kg).

3. Finally, calculate the de Broglie wavelength (λ) using the momentum:
λ = h / p
where h is the Planck constant (6.63 x 10^-34 Js).

Using these steps, you can find the final de Broglie wavelength of the electron after it has accelerated through the given potential difference.

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Answer:

Where is the question??