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Answer:
14.
Explanation:
If we remember, displacement is usually addressed in meters and time taken is depicted in seconds. Therefore, velocity is expressed in meters/second or m/s. The SI unit of velocity is meter per second (m/s). Alternatively, the velocity magnitude can also be expressed in centimetre per second
15.
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14) Displacement: metres
velocity: m/s
16) displacement: 0
distance : pi * r
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