MCQ
The same retarding force is applied to stop a train. The train stops after $80 m$. If the speed is doubled, then the distance will be
- AThe same
- BDoubled
- CHalved
- ✓Four times
✓
Answer
Correct option: D.
Four times
d
(d)Stopping distance $S \propto {u^2}$. If the speed is doubled then the stopping distance will be four times.
(d)Stopping distance $S \propto {u^2}$. If the speed is doubled then the stopping distance will be four times.
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