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The gas law for an ideal at absolute temperature (in kelvins), pressure Pin atmospheres)and volume Vinters PV = ART, Where is the number of males of the - 0.0671 gal constant. Suppose that, at a certain instant, Postm and is increasing at a rate of 0.11 atm/min and verzand it decreasing at a rate of 0.27 min. Find the rate of change of with resped To time (in/min) at that instantin = 10 mo [Round your answer to four decimal places) K/min mit A
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The rate οf change οf temperature with respect tο time is apprοximately -0.4223 K/min.
How to find the rate οf change οf temperature ?Tο find the rate οf change οf temperature (T) with respect tο time (t) at a certain instant, we can use the ideal gas law equatiοn PV = nRT and differentiate it with respect tο time:
PV = nRT
Taking the derivative with respect tο time:
P(dV/dt) + V(dP/dt) = nR(dT/dt)
Since we are interested in finding dT/dt, we can rearrange the equatiοn:
(dT/dt) = (P(dV/dt) + V(dP/dt)) / (nR)
Substituting the given values:
P = 7.0 atm
dV/dt = -0.17 L/min (negative sign indicates a decrease in vοlume)
dP/dt = 0.11 atm/min
n = 10 mοl
R = 0.0621 L·atm/(mοl·K)
(dT/dt) = (7.0 atm * (-0.17 L/min) + 12 L * 0.11 atm/min) / (10 mοl * 0.0621 L·atm/(mοl·K))
Calculating the rate οf change οf temperature:
(dT/dt) ≈ -0.4223 K/min
Therefοre, at that instant, the rate οf change οf temperature with respect tο time is apprοximately -0.4223 K/min.
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frictional forces are considered to be negligible. the student may only choose two measuring tools to determine the inertial mass of the block. what tools should the student choose? select tw
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Frictional forces are considered to be negligible.Newton's second law can be used to examine this experiment.
Which tools should the student select?Newton's second law can be used to examine this experiment.
F = m a
m = F / m
Because the outside is supplied by the spring balance and is constant, the system's acceleration is also constant.The kinematic equations can be used to calculate acceleration.
x = v t + ½ a t²
The initial speed is zero because we begin at rest.
a = 2 x / t As a result, we require the reading of location and time.
Finally, the relationship between the balance reading and the system's mass acceleration is discussed.
Let us now examine the responses.
a) True.
It is one of the required quantities.
b) This is incorrect.
We cannot directly measure speed with the instruments we have.
c) This is incorrect.
Acceleration is computed.
d) true.
It is the additional magnitude required for the calculation.
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Using the Lewis Dot Structure, how can we show whether an element with 5 electrons is more likely to either gain 3 or lose 5 electrons in its’ outer-most valence electron shell?
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Answer: An element with 5 electrons is more likely to either gain 3 electrons in its’ outer-most valence electron shell
Explanation: To determine whether an element with 5 electrons is more likely to gain 3 or lose 5 electrons in its outermost valence electron shell, we can use the Lewis Dot Structure.
1. Draw the symbol of the element. For example, let's consider the element with 5 electrons as X.
2. Determine the number of valence electrons for the element. Since the element has 5 electrons, it will have 5 valence electrons.
3. Represent the valence electrons as dots around the symbol of the element. In this case, we would draw 5 dots around the symbol X.
4. Analyze the electron configuration to determine the stability of the element.
- If the element gains 3 electrons, it will have a total of 8 valence electrons. This would result in a stable electron configuration, similar to the nearest noble gas. For example, if the element is in Group 15, gaining 3 electrons would give it the electron configuration of the noble gas, Neon (2, 8).
During a collision with another car, the occupants of a minivan initially travelling at 4.0 m/s come to a complete stop in 0.5 s. What was the acceleration of the occupants of the minivan?
a) 8.0 m/s2
b) –8.0 m/s2
c) 2.0 m/s2
d) –2.0 m/s2
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Answer: b) - 8.0 \(m/s^{2}\)
Explanation: Acceleration is a vector indicating a rate an object's velocity changes over time:
a = \(\frac{v}{t}\)
and its SI unit is \(m/s^{2}\)
For the minivan to stop, it takes a period of 0.5s:
a = \(\frac{4.0}{0.5}\)
a = 8.0 \(m/s^{2}\)
As a vector, acceleration has magnitude (8\(m/s^{2}\)) and direction. Since it is stopping, the minivan has a direction opposite to the other car, which means acceleration is negative. So: a = \(- 8.0 m/s^{2}\).
a boy sleading down a hill accelerates
alt 1.40m/s? If he started from rest, in what
In what distance would he reach a speed.
of 7s?
Answers
Answer:
9.8
Explanation:
distance=vt
1.40*7=distance
What explains the difference in appearance between a full moon and a new moon?Select all that apply.
-A full moon occurs when Earth is between the moon and the sun
-A new moon occurs when the moon is between the sun and Earth
-A new moon looks dark because the moon is not being lit by the sun
-A new moon looks dark because the side of the moon facing Earth is not lit by the sun
-The entire sunlit side of the moon is visible to Earth during a full moon
-A full moon occurs when the entire moon is being lit by the sun
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forces present on a flying dove
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Answer:
There are four forces acting on a bird in flight, lift, thrust, drag and gravity (weight). These four forces act in pairs, as shown on the right. If a bird is to fly it must overcome drag and weight by generating a greater force of thrust and lift.
Electromagnetic energy
A) is incapable of travelling through outer space.
B) is made up of wavelengths of energy that travel at the same speed.
C) can be seen throughout the entire spectrum.
D) consists of wavelengths which are directly proportional to the temperature of the emitter; i.e., as temperature of the emitting object increases, the wavelength also increases.
E) is emitted in greater amounts at all wavelengths by hotter objects.
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Electromagnetic energy can be seen throughout the entire spectrum, and is made up of B)wavelengths of energy that travel at the same speed.
These wavelengths are directly proportional to the temperature of the emitter, meaning that the wavelength increases as the temperature of the emitter increases. Electromagnetic energy is also emitted in greater amounts at all wavelengths by hotter objects. Therefore, the correct options are B, C, D, and E.According to the Electromagnetic Spectrum, electromagnetic energy (EM) is energy conveyed through waves or photons with a varying frequency of electric and magnetic fields. Electromagnetic energy can be seen throughout the whole spectrum. Therefore, C is a valid option.Wavelengths of energy that travel at the same speed make up electromagnetic energy. Therefore, B is a valid option. Electromagnetic energy consists of wavelengths which are directly proportional to the temperature of the emitter; as temperature of the emitting object increases, the wavelength also increases. This demonstrates that D is a valid option.Electromagnetic energy is emitted in greater amounts at all wavelengths by hotter objects. Therefore, E is a valid option. It should be noted that electromagnetic energy is capable of travelling through outer space despite option A which is invalid.
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assuming the atmospheric pressure to be constant at 101,325 pa, by what amount does the volume of the balloon change?
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The volume of the balloon is increased to 2.9 L.
Initial volume of the balloon, V₁ = 0.5 L
Initial temperature of the balloon, T₁ = 20°C = 293 K
Final temperature, T₂ = 150°C = 423 K
According to Charle's law,
V₁/T₁ = V₂/T₂
The final volume,
V₂ = (V₁/T₁)T₂
V₂ = 0.5 x 423/293
V₂ = 2.9 L
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Your question was incomplete, but most probably your question will be:
A balloon has a volume of 0.5 L at 20°C. If the balloon is heated to 150°C, assuming the atmospheric pressure to be constant at 101,325 pa, by what amount does the volume of the balloon change?
a 71.2 kg runner begins with a warm-up pace of 2.81 m/s and then speeds up to 11.3 m/s over 5.70 s. calculate the net force acting on the runner.
Answers
Mass of the runner, m = 71.2 kgInitial speed, u = 2.81 m/sFinal speed, v = 11.3 m/sTime taken, t = 5.70 sTo calculate the net force acting on the runner, we need to first calculate the acceleration of the runner.
We can use the formula:
v = u + at
Where,v = final velocity
u = initial velocity
a = acceleration
t = time taken
Substituting the given values in the above equation,11.3 = 2.81 + a × 5.70a = (11.3 - 2.81) / 5.70 = 1.46 m/s²Now, to find the net force acting on the runner,
we can use Newton's second law of motion which states that: F = ma
Where,F = net force acting on the runner m = mass of the runner a = acceleration of the runnerSubstituting the values we get,F = 71.2 × 1.46 = 104.032 N
Therefore, the net force acting on the runner is 104.032 N.
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Read the following scenario and explain (1)whether all the elements of a
negligent tort are present. If not, what elements are missing? (2) Who is a
fault and why? Scenario: Jenny is driving her car and rocking out to loud
music. She does not hear the siren from the ambulance driving down her
lane until the ambulance is just 15 feet from her. As soon as she notices
the ambulance she swerves to the side of the road without checking her
blind spot. She runs into Michael who was in the bicycle lane next to her.
Your answer
Answers
To win a driver negligence claim, the victim (plaintiff) must prove four things: OBLIGATIONS, BREACH OF DUTY, CAUSE OF INJURY AND DAMAGE.
What is breach of duty?A breach of duty occurs when there is a duty of care that is not complied with. Breach of duty is an important part of negligence cases. For example, you have a duty to warn other drivers to drive below the speed limit and to warn other drivers not to drink and drive.If you violate this obligation by exceeding the speed limit or driving under the influence of alcohol. A breach of duty occurs when there is a duty of care that is not complied with. Breach of duty is an important part of negligence cases. For example, you have a duty of care to other drivers who drive below the speed limit and a duty of care not to drink and drive.To learn more about breach of duty from the given link:
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A force of 500 n (newtons) is applied along a rope held at 300 n of e. find the x and y components exerted by this force.
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A force is the amount of energy applied to an object to change its motion. It is usually represented by the letter F and has both magnitude and direction. A force of 500 N is applied along a rope held at 300 N of e.
A force is the amount of energy applied to an object to change its motion. It is usually represented by the letter F and has both magnitude and direction. A force of 500 N is applied along a rope held at 300 N of e. To find the x and y components exerted by this force, we need to use trigonometry. Here's how to do it:
First, draw a diagram showing the force, the angle it makes with the x-axis, and the x and y components. Next, identify the angle that the force makes with the x-axis. We can do this by subtracting 90° from 300°, which gives us an angle of 210°.
Now, we can use trigonometry to find the x and y components. The x component is given by Fx = F cos θ, where θ is the angle made by the force with the x-axis. In this case, θ = 210°, so Fx = 500 cos 210° = -429.3 N (the negative sign indicates that the force is acting in the negative x direction).
The y component is given by Fy = F sin θ. In this case, Fy = 500 sin 210° = -250.0 N (the negative sign indicates that the force is acting in the negative y direction). Therefore, the x and y components exerted by the force are -429.3 N and -250.0 N, respectively.
In conclusion, the x and y components exerted by this force are -429.3 N and -250.0 N, respectively.
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The velocity v of wave set up in a stretched string, by plucking it can be given in terms of tension, F in the string length l of the string and mass m in the string as V=kF^xl^ym^z
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The velocity (v) of a wave set up in a stretched string, caused by plucking it, can be described by the equation \(V = kF^x * l^y * m^z.\)
In this equation, F represents the tension in the string, l represents the length of the string, and m represents the mass of the string.
The exponents x, y, and z represent the respective powers to which the tension, length, and mass are raised. The values of x, y, and z depend on the specific characteristics of the string and the wave being produced.
The constant k represents the proportionality constant that relates the tension, length, and mass to the velocity of the wave. Its value is determined experimentally or can be derived from theoretical considerations.
This equation shows the dependence of the wave velocity on various parameters such as tension, length, and mass. By adjusting these parameters, we can manipulate the wave velocity in the string, thereby affecting the properties of the wave, such as frequency and wavelength.
Therefore, It is important to note that the specific values of x, y, and z, as well as the constant k, would need to be determined through experimentation or derived based on the specific properties of the string and the wave under consideration.
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consider a binary liquid mixture of a and b, where a is volatile and b is nonvolatile. the composition of the solution in terms of mole fraction is xa
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The composition of the solution in terms of mole fraction will simply be equal to the mole fraction of the volatile liquid.
It is given that the liquid a is volatile and b is non-volatile. Since the solute a is not volatile, the mole fraction of the solute is not to be taken into account for. Being non-volatile, the liquid aa will not be contributing to the partial pressure. Hence, the partial pressure will only depend on the mole fraction of b which is given to be volatile.
Therefore, here we will only have to consider the mole fraction of the volatile liquid b and not the involatile liquid a.
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What is moment? What are the two factors which affect moment
Answers
Explanation:
moment is an expression involving the product of a distance and physical quantities.
-the size of force applied.
-the perpendicular distance from the pivot to the line of action of the force
it is more important to know a hurricane's velocity rather than its speed?
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The terms velocity and speed are often used interchangeably, but they have different meanings in physics. Speed refers to how fast an object is moving, while velocity includes both speed and direction. In the case of a hurricane, it is important to know both its speed and direction of movement, which would give us its velocity.
Knowing a hurricane's speed alone can tell us how quickly it is moving towards a particular area, but it doesn't tell us whether it is moving towards or away from that area. Velocity, on the other hand, provides us with more information on the storm's movement, which is crucial in predicting where it is likely to hit and how long it will take to get there.
Therefore, while it is important to know a hurricane's speed, knowing its velocity is even more crucial in predicting its path and potential impact on a specific area. This information can help people in the hurricane's path to prepare and evacuate if necessary, reducing the potential for loss of life and damage to property.
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male figure skater at 7.4m/s he weighing (82kg) he is holding a female figure skater (48 kg). he throws her at 8.6 m/s what's his final velocity?
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As a result, the combined ultimate velocity of the male and female skaters following the throw is 5.27 m/s.
What is the precise velocity equation?The object's initial velocity can be calculated by dividing the total distance travelled by the amount of time it took the object to travel that distance. In the formula V = d/t, V is the speed, d the distance, and t the time.
Prior to the throw, the system's momentum is given by: p1 = m1v1 + m2v2.
replacing the specified values:
p1 = (82 kg)(7.4 m/s) + (48 kg)(0 m/s)
p1 = 607.6 kg m/s
Following the throw, the system's momentum is:
p2 = (82 kg)v' + (48 kg)(8.6 m/s)
where v' is the combined final speed of the male and female skaters. We may equate p1 and p2 using the conservation of momentum principle:
p1 = p2
(82 kg)(7.4 m/s) = (82 kg)v' + (48 kg)(8.6 m/s)
Simplifying and solving for v', we get:
v' = [ (82 kg)(7.4 m/s) - (48 kg)(8.6 m/s) ] / 82 kg
v' = 5.27 m/s
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The function s(t) = 9 – 15t + 8t² describes the distance s from the origin at time t of an object in rectilinear motion. Find the velocity v of the object at any time t. (Use symbolic notation and fractions where needed.) v(t) = When is the object at rest? (Use symbolic notation and fractions where needed.) t = The function s(t) = 9 – 15t + 8t² describes the distance s from the origin at time t of an object in rectilinear motion. Find the velocity v of the object at any time t. (Use symbolic notation and fractions where needed.) v(t) = When is the object at rest? (Use symbolic notation and fractions where needed.) t =
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At time t = 15/16, the object reaches a state of zero velocity, indicating a momentary pause in its motion. Prior to this time, the object moves in one direction, while after this time, it changes direction and moves in the opposite direction. The value t = 15/16 represents the specific moment when the object transitions from one direction to another and experiences a brief period of rest.
To find the velocity v(t) of the object at any time t, we differentiate the given distance function s(t) = 9 - 15t + 8t² with respect to time:
v(t) = d/dt (9 - 15t + 8t²)
Applying the power rule of differentiation, we obtain:
v(t) = -15 + 16t
Therefore, the velocity v(t) of the object at any time t is given by v(t) = -15 + 16t.
To determine when the object is at rest, we set the velocity v(t) equal to zero and solve for t:
-15 + 16t = 0
Adding 15 to both sides of the equation, we have:
16t = 15
Finally, dividing both sides by 16, we find
t = 15/16
Hence, the object is at rest when t = 15/16.
This means that at time t = 15/16, the object's velocity is zero, indicating that it is momentarily stationary. Before this time, the object is moving in one direction, and after this time, it is moving in the opposite direction. The value t = 15/16 represents the specific point in time when the direction of motion changes, and the object is at rest for an instant.
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In a competition, an athlete threw a flying disk 145 meters through the air. While in flight, the disk traveled at an average speed of 12.0 m/s. How long did the disk remain in the air?
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Hop off this app because im telling the teacher because this is cheating and thats wrong. periodt pooh..
A 500 W hair dyer is used to dry hair for 6 minutes a day for 3 days. How much energy is used? A laptop uses 75 W. The cot of electricity is 5.6 cents per kWh. How much would it cost to operate the laptop for 24 hours a day for one week? A toaster oven is 85% efficient. It uses 1200 J of energy. How much thermal energy is it producing?
Answers
Answer:
See the answers below
Explanation:
We will solve this problem by calculating each part separately.
A 500 W hair dyer is used to dry hair for 6 minutes a day for 3 days.
Energy can be calculated by multiplying the value of the power of the equipment by the amount of time of use.
\(500 [W]*[\frac{6min}{1day} ]*[\frac{1day}{24hr} ]*[\frac{1hr}{60min} ]=2.083 [W]\)
The cots of electricity is 5.6 cents per kWh. How much would it cost to operate the laptop for 24 hours a day for one week?
We know that the power of the latop is 75 [W], then we can calculate the cost, multiplying the value of the power by the value of the cost by the time of use of the computer.
\(0.075[kW]*5.6[\frac{cents}{kw*h}}]*[\frac{24hr}{1day}]*[1week]*[\frac{7days}{1week} ]=70.56 [cents]\)
A toaster oven is 85% efficient. It uses 1200 J of energy. How much thermal energy is it producing?
Efficiency is defined as the relationship between the energy obtained on the energy delivered. Almost always the energy delivered is greater than the energy obtained (first law of thermodynamics).
Therefore.
\(Effic = E_{obtained}/E_{delivered}\\0.85=E_{obtained}/1200\\E_{obtained}=1020[J]\)
Kinetic energy varies jointly with the mass of an object and the square of it's velocity. A ball with a mass of rolls with a velocity of m/s and creates joules of kinetic energy. How much kinetic energy would a ball with a mass of and a velocity of m/s create? (first find the constant of variation).
Answers
The kinetic energy of the ball with a mass of 3kg and a velocity of 10m/s is rolling is 37.5J
Given the mass of ball (m1) = 6kg
The velocity of ball (v1) = 10m/s
The kinetic energy of ball (KE) = 300J
We know that kinetic energy (KE) = 1/2mv^2
Since the ball rolls its kinetic energy = ρmv^2 where ρ is energy constant.
So, 300 = ρ x 6 x 10 x 10
ρ = 0.5
the mass of other ball (m2) = 3kg
The velocity of second ball (v2) = 5m/s
The the kinetic energy created by second ball is = KE2
Such that KE2 = ρm2v2^2
KE2 = 0.5 x 3 x 5 x 5 = 37.5J
Hence the required kinetic energy is 37.5J
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complete question: Kinetic energy varies jointly with the mass (m) of an object and the square of it's velocity (v). A ball with a mass of 6kg rolls with a velocity of 10m/s and creates 300J of kinetic energy. How much kinetic energy would a ball with a mass of 3kg and a velocity of 5m/s create? (First find the constant of variation)
When you drop a 0.43 kg apple, Earth ex erts a force on it that accelerates it at 9.8m / (s ^ 2) toward the earth's surface. According to New ton's third law, the apple must exert an equal but opposite force on Earth. If the mass of the earth 5.98 * 10 ^ 24 * kg what is the magnitude of the earth's acceleration toward the apple?
Answer in units of m / (s ^ 2)
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Answer:
The answer to the question is highlighted in the box
A pendulum has a period of 5 seconds. If the length of the string of the pendulum is quadrupled,
what is the new period of the pendulum?
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why can't we see a galaxy 15 billion light-years away? (assume the universe is 14 billion years old.) a. no galaxies exist at such a great distance. b. galaxies may exist at that distance, but their light would be too faint for our telescopes to see. c. looking 15 billion light-years away means looking to a time before the universe existed.
Answers
Answer:
C
Explanation:
The correct answer is C. Looking 15 billion light-years away means looking to a time before the universe existed.
The universe is 14 billion years old. And we can't see a galaxy 15 billion light-years away because galaxies may exist at that distance, but their light would be too faint for our telescopes to see. The correct option is b.
The reason why we cannot see a galaxy 15 billion light-years away is because of the finite age of the universe. The universe is estimated to be 14 billion years old, and light travels at a speed of approximately 186,000 miles per second, or 671 million miles per hour. This means that in 14 billion years, light can only travel a distance of about 15 billion light-years. Therefore, any galaxy that is farther away than that would not be visible to us, as its light would not have had enough time to reach us.
This can also be explained by the concept of the "horizon" or the "edge" of the observable universe. This is the maximum distance from which light can reach us. As the universe is only 14 billion years old, this distance is about 15 billion light-years. Beyond this distance, no light can reach us and so any galaxies located further away would be invisible to us.
It is also important to note that while a galaxy may exist at a distance of 15 billion light-years away, its light may be too faint for us to see even if the light was able to reach us. In this case, the distance is not the main factor preventing us from seeing the galaxy, but the dimness of its light.
In conclusion, we cannot see a galaxy 15 billion light-years away because of the finite age of the universe. This means that no light from any galaxy located beyond that distance could have reached us in the 14 billion years since the universe began, and so any such galaxies would be invisible to us.
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Part A Assuming that these spectral lines correspond to the 656.46-nm hydrogen line in the rest frame, estimate the speed V of the center of mass of the binary system. Express your answer in kilometers per second to three significant figures
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The speed V of the center of mass of the binary system is approximately 42.14 km/s (to three significant figures).
To estimate the speed V of the center of mass of the binary system, we can use the formula:
V = (λ/λ0 - 1) * c
where λ is the observed wavelength, λ0 is the rest wavelength (656.46 nm for the hydrogen line), and c is the speed of light.
Assuming that the observed spectral lines correspond to the 656.46-nm hydrogen line in the rest frame, we can use the following equation:
V = (λ/656.46 nm - 1) * 299792.458 km/s
To find the value of λ, we need to use the given values of Δλ and λ0:
Δλ = λ - λ0
Δλ = 0.1284 nm
λ = λ0 + Δλ
λ = 656.46 nm + 0.1284 nm
λ = 656.5884 nm
Substituting this value in the formula for V, we get:
V = (656.5884/656.46 - 1) * 299792.458 km/s
V = 42.14 km/s
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What is the change of GPE for a 8.0 kg object which is lowered from an initial height of 10 m above the floor to a final height of 4.0 m above the floor?
Answers
The change in gravitational potential energy, GPE for the 8 Kg object which is lowered from a height of 10 m to 4 m is -470.4 J
How do I determine the change in potential energy of the object?We'll begin by obtaining the initial potential energy. Details below:
Mass of object (m) = 8 KgInitial height (h₁) = 10 mAcceleration due to gravity (g) = 9.8 m/s² Initial potential energy (PE₁) = ?PE₁ = mgh₁
PE = 8 × 9.8 × 10
PE = 784 J
Next, we shall determine the final potential energy. Details below:
Mass of object (m) = 8 KgInitial height (h₂) = 4 mAcceleration due to gravity (g) = 9.8 m/s² Final potential energy (PE₂) = ?PE₂ = mgh₂
PE = 8 × 9.8 × 4
PE = 313.6 J
Finally, we shall determine the change in the potential energy. This is shown below:
Initial potential energy (PE₁) = 784 JFinal potential energy (PE₂) = 313.6 JChange in potential energy (ΔPE) =?ΔPE = PE₂ - PE₁
ΔPE = 784 - 313.6
ΔPE = -470.4 J
Thus, the change in potential energy is -470.4 J
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What are three thing you reearched about how earthquake tart and how they travel
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Whenever the ground is hit with enough force to crack or break, an earthquake results. Tectonic plate boundaries are linked to the majority of earthquakes.
What is earthquake explain?An earthquake is a quick movement of geological materials beneath the earth's surface that causes the ground to shake violently or weakly. The tectonic plate boundary is where the earthquakes start.
What is earthquake and its effects?The earthquake is the sudden energy released from the earth's crust that causes the earth's surface to shake. Seismic waves, also called S waves, are consequently produced. The type and severity of an earthquake are based on the local seismic activity.
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According to Newton's first law of motion, which force is expected to cause a body to accelerate?
•unbalanced force
•Balanced force
•Weak force
•Strong force
Answers
Answer:
Unbalanced force -
Explanation:
Unbalanced force is expected to cause a body to accelerate.
Answer:
Unbalanced force
Explanation:
Unbalanced force is expected to cause acceleration in any body as it's net value is not zero in every direction .
I hope it's helpful
Water raises a boat once every 3.0 seconds. What is the frequency (f) of the waves passing the boat?
3.0 Hz
0.33 Hz
0.1 Hz
334 Hz
Answers
Answer:
I think its A
Explanation:
if its every 3 seconds wouldnt it be 3.0 Hz
What would be the y-component of a velocity vector that had a
magnitude of 37m/s in a direction 30° from the x-axis?
Answers
Answer:
18.5 m/s
Explanation:
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The y-component of a velocity vector that had a magnitude of 37 m / s in a direction 30° from the x - axis would be 18.5 m / s .
What is a vector quantity?The quantities that contain the magnitude of the quantities along with the direction are known as the vector quantities.
Examples of vector quantities are displacement, velocity acceleration, force, etc.
As given in the problem we have to find out the y-component of a velocity vector that had a magnitude of 37 m / s in a direction 30° from the x - axis.
The y-component of a velocity vector = 37 × sin 30
= 18.5 m / s
Thus , y-component of a velocity vector that had a magnitude of 37 m / s in a direction 30° from the x - axis would be 18.5 m / s.
To learn more about the vector quantity here , refer to the link given below ;
https://brainly.com/question/15516363
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