A body starts from rest and is acted on by a constant force. The ratio of kinetic energy gained ...

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A body starts from rest and is acted on by a constant force. The ratio of kinetic energy gained by it in the first five seconds to that gained in the next five second is
a. \( 2: 1 \)
b. \( 1: 1 \)
c. \( 3: 1 \)
d. \( 1: 3 \)
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