PEP

Potential Energy Propulsion”

There is a social event on Gondwana and the humorous East Gondwannans want to surprise the Presiding Engineer by delivering liquid refreshment to him by devices released from the air vents above.  Design and construct a device which is released through an aperture at a height of 3m above the floor and delivers a 375ml can of drink to a target 7.5m from the aperture.