contestada

A child is sitting on a merry-go-round 2.8 m from the
center. If the tangential velocity of the ride is 0.89 m/s,
what is the centripetal acceleration of the dragonfly?
A. 0.11 m/s2
C. 0.32 m/s2
B. 0.28 m/s2
D. 2.2 m/s2

Respuesta :

Answer:

b

Explanation:

a=v2/r

=0.89^2/2.8

=0.2828...

=0.28