1D Kinematics Review

 A car increases its speed from 9.6 meters per second to 11.2 meters per second in 4.0 seconds. The average acceleration of the car during this 4.0-second interval is

• 0.40 m/s²
• 2.4 m/s²
• 2.8 m/s²
•  5.2 m/s²

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What is the speed of a 2.5-kilogram mass after it has fallen freely from rest through a distance of 12 meters?

• 4.8 m/s 
• 15 m/s
• 30. m/s 
• 43 m/s

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A cart travels with a constant nonzero acceleration along a straight line. Which graph best represents the relationship between the distance the cart travels and time of travel?

• 1
• 2
• 3
• 4

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Which graph best represents the relationship between the acceleration of an object falling freely near the surface of Earth and the time that it falls?

• 1
• 2
• 3
• 4

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An astronaut standing on a platform on the Moon drops a hammer. If the hammer falls 6.0 meters vertically in 2.7 seconds, what is its acceleration?

•  1.6 m/s² 
• 2.2 m/s²
• 4.4 m/s²
• 9.8 m/s²

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A race car starting from rest accelerates uniformly at a rate of 4.90 meters per second² . What is the car’s speed after it has traveled 200. meters?

• 1960 m/s 
•  62.6 m/s 
•  44.3 m/s
•  31.3 m/s

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An observer recorded the following data for the motion of a car undergoing constant acceleration. What was the magnitude of the acceleration of the car?

• 1.3 m/s²
• 2.0 m/s²
• 1.5 m/s²
• 4.5 m/s²

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The table above shows the time it takes four cars to go from 0 to 60 km/h.  Based on the information given, which of the following quantities can be compared for the four cars?

• average acceleration
• instantaneous speed
• stopping distance 
• stopping time

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A unit of acceleration is meters per second.

• True
• False

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The rate at which velocity changes is called acceleration.

• True
• False

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