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Distance

A truck and a...

Question

A truck and a car moving with same kinetic energy are stopped by equal retarding force. Which of them will be stopped in shorter distance?

A

Truck

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B

Car

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C

Both simultaneously

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D

Data not sufficient

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Solution

The correct option is C Both simultaneously
Kinetic energy lost by both before coming to rest is same. Also the retarding force is same.
From work energy theorem,
$Δ K E = F \times s$
Since, $Δ K E$ and F are same, so s is same.

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