Posted by Brianna on Friday, May 11, 2012 at 7:53pm.
(a) Surely your text material incudes the formula for gravitational potential energy. Use it.
(b) The kinetic energy increase at the bottom equals the potential energy calculated in part (a)
we dont have textbooks, and my teacher dosent teach, he just gives us really hard homework:(
Yeah! Right!
a) mass*gravity*height= gravitational potential energy.
17*103*9.8= x Joules
b) as the object falls the potential energy is converted to kinetic. so just before it hits the ground all of the potential energy has become kinetic.
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