A child is seated on the rim of a merry-go-round of radius

PHYSICS · Multi-part · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

5\,\text{m}

. The platform completes one full revolution in

8\,\text{s}

. (i) Calculate the speed of the child. (ii) How many complete revolutions will the child make in

2\,\text{min}

? (iii) Is the child’s velocity uniform throughout the motion? Give a reason for your answer.