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The coefficient of friction between the ...

The coefficient of friction between the ground and the wheels of a car between the ground and the wheels of acar moving on a horizontal road is 0.5 If the car starts from rest , what is the minimum distance in which it can acquire a speed of `72 km // h` ? take `g = 10 ms^(-2)` .

A

`0m`

B

`20m`

C

`30m`

D

`40m`

Text Solution

Verified by Experts

The correct Answer is:
D
`v^(2)-u^(2)=2as,a=mu_(k)g`
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