Homework Help: physics

Posted by kathy on Wednesday, October 24, 2012 at 11:12pm.

standing on the ground, you throw a 0.55 kg lunch bag at a friend, you manage to throw the bag straight up (vertically) using 50 J of energy to throw it there is also a crosswind of 0.5 m/s. How high will the bag travel before all of its kinetic energy is converted into gravitational potential energy?

physics - Elena, Thursday, October 25, 2012 at 12:01pm
KE=PE
KE=mgh

h=KE/mg =50/0.55•9.8 =9.28 m

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