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## Physics Quiz : Motion

Answer the following questions based on motion.

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Multiple choice

1.

Consider the graph of velocity (in m/s) vs. time (in s) given above. During the last 2 seconds, the object
 reduces its velocity from 10 m/s to zero. is constantly accelerating at 10 m/s2. covers a distance of 10 m. is constantly decelerating at 10 m/s2.

Half-n-half Clue

2.

A car moves at an average speed of 50 miles per hour. In 3 hours, it will travel a distance of
 5 miles 16 miles 150 miles None of these

Half-n-half Clue

3.

The rate of change of velocity is called
 force speed acceleration momentum

Half-n-half Clue

4.

Acceleration can be negative.
 True False

5.

Which of the following quantities is a vector?
 distance time velocity speed

Half-n-half Clue

6.

If an object starts from rest and attains a velocity of 20 feet per second after 4 seconds, then its acceleration in feet per second2 is
 5 80 320 None of these

Half-n-half Clue

7.

A toy plane moves at a constant speed of 3 m/s. It will travel a distance of 45 m in
 15 s 135 s 150 s None of these

Half-n-half Clue

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