Q

A 4.0 kg object moves horizontally at 5.0 m/s. Find the net work required to increase its speed to 10 m/s.

RRB ALP & Technician 09/08/2018 / Shift-I 2018
✓ Answer: A 150 J
W = ΔK = (1/2) × 4 × (10² - 5²) = 150 J.
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