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Unformatted text preview: The man at the window A wishes to throw a sack of mass M onto the ground. To do this he allows it to swing from rest at B to point C , when he releases the cord at = 1 . Determine the speed at which it strikes the ground and the distance R . Given: 1 30 deg = h 16 m = L 8 m = g 9.81 m s 2 = M 30 kg = Solution: M gL cos 1 ( ) + 1 2 M v C 2 = v C 2 gL cos 1 ( ) = v C 11.659 m s = 263...
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- Spring '08