Answer:
20 m/s^2
Step-by-step explanation:
Use the relation a = v^2/r , where is the centripetal acceleration, v is speed of the object which is revolving in the circular path an r is the radius of the circular path.
Given v = 10 m/s , r = 5 m
a = 10 * 10/5
= 20 m/s ^2