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If a body projected vertically upwards, give a graph showing variation in its kinetic energy
9 years ago

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Damon
constant = kinetic E + potential E

= (1/2) m v^2 + m g h

but
v = Vi - g t
so v^2 = Vi^2 - 2 Vi g t - g^2 t^2
so
Ke = (1/2) m v^2
= .5m [ Vi^2 - 2 Vi g t - g^2 t^2]

which is a parabola with vertex at (.5 m v^2) and dropping off with time
9 years ago

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