Two cars A and B are moving in same direction with velocities 30m/s and 20m/s. When car A is at a distance d behind the car B, the driver of the car A applies brakes producing uniform retardation of 2m/s2. There will be no collision when
A
d>125m
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B
d>120m
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C
d<25m
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D
d<125m
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Solution
The correct option is Cd<25m Distance required to catch the speed of car B with given retardation can be found using