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1. Motion
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Q37 of 139 Page 21

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

Speed = 90km/h = 90 x (1000/3600) = 30m/s


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37

Define velocity. What is the SI unit of velocity?

37

What is the difference between speed and velocity?

38

What is meant by the term ‘acceleration’? State the SI unit of acceleration.

38

Define the term ‘uniform acceleration’. Give one example of a uniformly accelerated motion.

Questions · 139
1. Motion
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