Asked by srikala
a car moving with a speed of 50 km/hr can be spotted by breaks after at least 6m.If the same car is moving with a speed of 100km/hr the minimum stopping distance is?
options:
1. 24m
2. 6m
options:
1. 24m
2. 6m
Answers
Answered by
drwls
"Spotted by breaks"? Don't you mean "stopped by brakes"?
Stopping distance is proportional to V^2 if the deceleration rate is the same in both cases. That assumption is usually made. The stopping distance gets multiplied by 4 when the speed doubles.
Choose the first answer.
Stopping distance is proportional to V^2 if the deceleration rate is the same in both cases. That assumption is usually made. The stopping distance gets multiplied by 4 when the speed doubles.
Choose the first answer.
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