1. (a) Identify the kind of motion in the following cases:
(i) A car moving with constant speed turning around a curve.
(ii) An electron orbitting around nucleus.
(b) An artificial satellite is moving in a circular orbit of radius 36,000 km.
Calculate its speed if it takes 24 hours to revolve around the earth.
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Answer:
oscillatory motion,
centripetal motion
centripetal motion
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