Question

A particle moves in a circle of radius 5cm with constant speed and time period 0.2π s. The acceleration of the particle is

Answer 1

Answer:

R.E.F image

r=5cm=

100

5

m

T=0.2πsec

T=

ω

2π

ω=

0.2π

2π

=10rad/sec.

Acceleration = centripetal acceleration

⇒ω

2

r

⇒(10)

2

×

100

5

⇒5m/s

2

Option (C)