(i)Give an example of motion of a body moving with a constant speed, but with a variable velocity.(ii)A boy throws a ball vertically upwards. It rises to a height of 10 m and returns to the point from where it has thrown. What is the total distance covered by the ball?
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Explanation:
I) a racing car travelling witha speed of 300km/h around a circular track
II) distance traveled by ball = 2×10 = 20m
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