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15. Give an example of the motion of a body movingwith a constant speed, but with a variablevelocity. Draw a diagram to represent such amotion.

Answer»

A body in a uniform circular motion satisfies all your conditions. A body in uniform circular motion has a constant speed, but the velocity varies as the direction of the velocity changes continuously. It has a centripetalacceleration acting on it whose magnitude remains constant but the direction which is radially inward, changes continuously.



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