Question

A car of mass 800 kg moves on a circular track of radius 40 m. If the coefficient of friction is 0.5, then maximum velocity with which the car can move is

A. 7 m/s
B. 14 m/s
C. 8 m/s
D. 12 m/s

Answer 1

B. 14m/s

Step-by-step explanation:

The correct option is C 14 m/s

v

m

a

x

=

√

μ

r

g

=

√

0.5

×

40

×

9.8

=

14

m

/

s