Question

what is the acceleration of a body moving with a velocity of 30 m/s in a circle of radius 10 m​

Answer 1

if the body is moving in a circle, then it moves with a centripetal acceleration and it is given by,

a=v^2/r

where, velocity(v)=30m/s

radius(r)=10 m

so a=30^2/10=90m/s^2