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you have a 20 gram ball attached to a 2m long string. holding the end of the string, you spin the ball in a horizontal

you have a 20 gram ball attached to a 2m long string. holding the end of the string, you spin the ball in a horizontal circle 2m above the ground. after 50 seconds, the string breaks and the ball flings a 10m horizontal distance before hitting the ground.find the centripetal acceleration at 50 seconds. find the speed of the ball as it hits the ground.

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