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Tripling the speed of the motor car mult...

Tripling the speed of the motor car multiplies the distance needed for stopping it by

A

3

B

6

C

9

D

some other number

Text Solution

Verified by Experts

The correct Answer is:
C
`v^(2) = 2as_(1)`
`(3v)^(2) = 2as_(2)`
`:. s_(2) = 9s_(1)`
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