Question

A particle is moving along a circular path of radius 16m and it completes one revolution in 30 sec.If total time of motion is 75 sec,the displacement of the particle is ?​

Answer 1

Explanation:

The body completes 1 revolution in 4 seconds

w =

4

2π

rad/s

w =

2

π

rad/s

Radius of the circular path is 0.1 m

Centripetal acceleration is =r×w

2

a

r

=0.1×

4

π

2

m/s

2

a

r

=0.1×

4

π

2

×100cm/s

2

a

r

=2.5π

2

cm/s

2