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A force of 1N acts on a 1 kg mass at res...

A force of 1N acts on a 1 kg mass at rest for 1s. In another case 1N force acts on 1kg mass at rest and moves it through 1m. The ratio of kinetic energies in the two cases is

A

`1:1`

B

`1:2`

C

`1:4`

D

`1:sqrt(2)`

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The correct Answer is:
B
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