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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. |
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Answer» 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. |
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