Q

A 2 kg object is thrown upward at 20 m/s. What is its kinetic energy after 2 seconds?

RRB ALP & Technician 09/08/2018 / Shift-II 2018
✓ Answer: B 0 J
Using g = 10 m/s², v = u - gt = 20 - 10 × 2 = 0, so K = 0.
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