Question

A lorry and a car are brought to rest by the same
breaking force. What is the difference in the dis-
tance covered by them before they come to stop
if their kinetic energies are equal?​

Answer 1

Answer:

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Answer 2

Answer:

Explanation:

Work done by the brakes i.e force ∗ displacement transfers its kinetic energy i.e F ∗ d =  1/2  m^2

Since both the vehicles have the same kinetic energy and are subject to the same force(F) the distance covered by both lorry and car will be the same. Thus both will stop at the same distance.