Question

the cyle is moving rough horizontal road

Answer 1

Answer:

Initial velocity u=pm. Final velocity v=0 , (as the vehicle must stop) Force of friction =μ mg (where g is acceleration due to gravity.)

teligram — @krpsingh

Answer 2

Initial velocity

u

=

p

m

Final velocity

v

=

0

, (as the vehicle must stop)

Force of friction

=

μ

m

g

(where

g

is acceleration due to gravity.)

Acceleration due to friction

=

−

μ

m

g

m

=

−

μ

g

(

−

ve sign shows that it is retardation.)

Using the kinematic expression

v

2

−

u

2

=

2

a

s

and inserting various values we get stopping distances