Question: the ball A ( I = 2 / 5 mr ^ 2 ) and the disc ( I = 1 / 2 mr ^ 2

the ball A (I=2/5 mr^2) and the disc (I =1/2mr^2) have the same diameter r and mass m. if they are both relaesed from the top of a hill and roll down without slipping, whitch one will reach the bottom first

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