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A circular road of radius 1000m has hang...

A circular road of radius `1000m` has hanging angle `45^(@)` The maximum safe speed (in `ms^(-1)` of a car having a mass `2000kg ` will be (if the coefficient of friction between tying and road is `0.3)`

A

`172`

B

`124`

C

`99`

D

`86`

Text Solution

Verified by Experts

The correct Answer is:
A
`V_(max)= sqrt((Rg(tan theta - mu))/(1 - mu tan theta))`
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