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What are the equations of motion for an object moving at uniform acceleration?
What are the equations of motion for an object moving at uniform acceleration?
s = ( u+v )t / 2, v = u + at, s = ut + at^2 / 2, v^2 = u^2 + 2as
How can you approach questions that require the use of the equations of motion?
How can you approach questions that require the use of the equations of motion?
Write out the known values and the ones you want to find out in order to choose the correct formula more easily.
What are the known and unknown values in the example of a stone being dropped from a bridge?
What are the known and unknown values in the example of a stone being dropped from a bridge?
Known: u = 0 m/s, s = 50 m, a = 9.81 m/s^2. Unknown: v and t.
How do you find the final velocity (v) of the stone in the example?
How do you find the final velocity (v) of the stone in the example?
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What is the time (t) for which the stone falls in the example?
What is the time (t) for which the stone falls in the example?
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Why is it assumed that the initial velocity of the stone in the example is zero?
Why is it assumed that the initial velocity of the stone in the example is zero?
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What is displacement?
What is displacement?
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Define instantaneous velocity.
Define instantaneous velocity.
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What does the area under an acceleration-time graph represent?
What does the area under an acceleration-time graph represent?
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Explain the difference between distance and displacement.
Explain the difference between distance and displacement.
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What is the gradient of a velocity-time graph?
What is the gradient of a velocity-time graph?
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What does the area under a velocity-time graph represent?
What does the area under a velocity-time graph represent?
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Explain the concept of uniform acceleration.
Explain the concept of uniform acceleration.
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What is the difference between average velocity and instantaneous velocity?
What is the difference between average velocity and instantaneous velocity?
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What quantities are described as vectors?
What quantities are described as vectors?
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What is meant by resolving a vector?
What is meant by resolving a vector?
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