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An express train moving at 30 m/s reduce...

An express train moving at 30 m/s reduces its speed to 10 m/s in a distance of 240 m. If the breaking force is increased by 12.5% in the beginning find the distance that it travels before coming to rest 

A

270 m

B

240 m

C

210 m

D

195 m

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The correct Answer is:
B
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AAKASH SERIES-APPENDICES (REVISION EXERCISE)-MOTION IN A STRAIGHT LINE
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