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Work and Energy (Class 9) — quick quiz

3 UP JEECUP-pattern questions on Work and Energy (Class 9). Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 3

Hard

A body of mass 2 kg is dropped from a height of 20 m. What is its kinetic energy just before it touches the ground? (g = 10 m/s²)