Linear Motion Quiz Review

What information does the speedometer of a moving car provide?

• Average speed

• Instantaneous speed

• Velocity

What quantity describes how fast something is moving (distance divided by time)?

• Speed

• Velocity

• Acceleration

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What is speed with direction?

• Fancy speed

• Velocity

• Acceleration

What is the change in velocity per time (distance per time per time)?

• Speed

• Velocity x2

• Acceleration

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What would be an example of units for acceleration?

• m/s

• m/s²

• km/hr

You are in a car traveling around a curve at a constant speed. Why is your velocity changing?

• Because your direction is changing.

• Because you are speeding up.

• Because you are slowing down.

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When you are traveling in a straight line at constant speed, are you accelerating?

• Yes, because you are speeding up.

• No, because you are slowing down.

• No, because you are not changing your speed or direction.

A ball is thrown straight up in the air. What is the velocity at the top of its path?

• 10 m/s

• 0 m/s

• Not enough information

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A ball is thrown straight up in the air. What is its acceleration?

• 10 m/s² upward (away from the earth)

• 0 m/s²

• 10 m/s² downward (toward the earth)

Tags

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A ball is in free fall. What is changing each second?

• Velocity and distance

• Acceleration

• Just distance, not velocity

Tags

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