Determining the speed, centripetal acceleration, and the force exerted by a ball attached to a string.
A 175 kg ball on the end of a string is revolving uniformly in a horizontal circle of radius 0.500m. The ball makes 2 revolutions in a second.
1. Conclude the speed of the ball.
2. Settle on the balls centripetal acceleration.
3. Find out the force a person must exert on opposite end of the string.