physics

Air at 1 atm is inside a cylinder 17.9 cm in radius and 17.9 cm in length that sits on a table. The top of the cylinder is sealed with a movable piston. A 24.1-kg block is dropped onto the piston.

a) From what height above the piston must the block be dropped to compress the piston by 1.30 mm?
b) From what height above the piston must the block be dropped to compress the piston by 2.60 mm?
c) From what height above the piston must the block be dropped to compress the piston by 1.30 cm?

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