math...............................................................

Mathematics
Tutor: None Selected Time limit: 1 Day

if a ball fell from the top of the hill how fast would it fall down?

Jan 28th, 2015

In the absence of air resistance, the mechanical energy of an object moving through the air in the Earth's gravitational field, remains constant (is conserved).


Jan 28th, 2015

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Jan 28th, 2015
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