Question

A 3.0-kilogram mass is traveling in a circle of

0.20-meter radius with a speed of 2.0 meters per
second. What is its centripetal acceleration?
(1) 10. m/s
(3) 60. m/s2
(2) 20. m/s2
(4) 6.0 m/s2

Answer 1

`a=20\ m/s^2`

Step-by-step explanation:

Given that,

The mass of an object, m = 3 kg

The radius of a circle, r = 0.2 m

The speed of the object, v = 2 m/s

We need to find the centripetal acceleration. Its formula is given by :

`a=(v^2)/(r)\\\\a=((2)^2)/(0.2)\\\\a=20\ m/s^2`

So, the centripetal acceleration is
`20\ m/s^2`.