Question

A paticle starts from rest with an acceleration of 2rad/s2 in a circle of radius 2m .Find its linear speed after 6s.​

Answer 1

Explanation:

u=0

a=2rad/s2

v=u+at

=0+2×6

v=6rad/s

linear speed = angular speed × radius

= 6×2

linear speed= 12m/s