frankgue2008
From where does a glider get the energy needed to gain altitude
in a riser?
A 1,00 lb glider that rises one ft. has acquired 1,000 ft-lb
of potential energy. Where did it come from?
in a riser?
A 1,00 lb glider that rises one ft. has acquired 1,000 ft-lb
of potential energy. Where did it come from?