1.

A child of mass 2 kg is moving on a skateboard at the speed of 2 ms−1. After a force acts on him, his speed becomes 3 ms−1. Find the change in kinetic energy.

Answer»

A child of mass 2 kg is moving on a skateboard at the speed of 2 ms1. After a force acts on him, his speed becomes 3 ms1. Find the change in kinetic energy.




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