When the road is dry and coefficient of static friction is μ, the maximum speed of a car in the circular path is 10 ms−1. If the road becomes wet and μ′=μ2, what is the maximum permitted speed for the car?

Question:

1.When the road is dry and coefficient of static friction is μ, the maximum speed of a car in the circular path is 10 ms−1. If the road becomes wet and μ′=μ2, what is the maximum permitted speed for the car?

Options :

a) 5ms^-1
b) 10ms ^-1
c) 10√2ms^-1
d) 5√2ms^-1

Answer :

d) 5√2ms^-1

Answer Steps :

Solution :-

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