Homework Help: physics

Posted by akansha on Monday, February 27, 2012 at 10:21am.

a body of mass 5kg is thrown vertically upwards with a speed of 10m/s. what is its kinetic energy when its thrown? find its potential energy when it reaches at the highest point. also find the maximum height attained by the body[g=10m/s]

physics - drwls, Monday, February 27, 2012 at 10:45am
You should be aware that the formula for kinetic energy is:
K.E = (M/2)V^2

It equals the potential energy gained at the highest point. Therefore

M g H = M V^2/2

Solve for H. M cancels out.

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