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Question
Physics
With doubling the speed of a vehicle the distance required to stop it becomes
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Q. With doubling the speed of a vehicle the distance required to stop it becomes
Motion in a Straight Line
A
doubled
24%
B
halved
12%
C
tripled
15%
D
four times.
49%
Solution:
Distance to stop $S\, \propto \, \upsilon^2$ $\therefore $ doubling $\upsilon$ will increase S to 4 times.