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1. Motion
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Q37 of 139 Page 21

Define velocity. What is the SI unit of velocity?

the distance travelled by a body per unit time in a given direction is called velocity. SI unit of velocity is m/s.


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36

Define speed. What is the SI unit of speed?

36

What is meant by (i) average speed, and (ii) uniform speed?

37

What is the difference between speed and velocity?

37

Convert a speed of 90 km/h into m/s.

Questions · 139
1. Motion
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