Mathematics · Work, Energy and Motion
A car with a mass of 200 kg is moving at a constant initial velocity. It is brought to rest in a distance of 20 m by applying a average retarding force of 500 N. What was the initial velocity of the car?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 120 m/s
- 2100 m/s
- 310 m/s✓
- 40.1 m/s
Correct answer
10 m/s
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