Question

When the road is dry and the coefficient of friction is µ , the maximum speed of a car in a circular path is 10 m/s, if the road becomes wet and µ µ ′ = / 2 . What is the maximum speed permitted?

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Meh iz Vansh
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Answer 1

Answer:

52‾√m/s

Explanation:

As, we Know v=μgr‾‾‾‾√

When μ

becomes μ2

, v becomes v2‾√

v

2

i.e., 102‾√

10

2

or 102‾√2=52‾√m/s

10

2

2

=

5

2

m

/

s

.