Posted by **Annointed Jesu** on Sunday, May 5, 2013 at 5:22am.

an object is thrown upward with an initial velocity 'u' m/s. derive an expression for the height 'h' at which its kinetic energy becomes equal to its potential energy.

- physics -
**Elena**, Sunday, May 5, 2013 at 8:44am
h=(u²- v²)/2g

v²=u²- 2gh,

KE=m•v²/2= m(u²- 2gh)/2,

KE=PE =>

m(u²- 2gh)/2 =mgh,

(u²- 2gh)/2= gh,

u²=4gh,

h= u²/4g.

## Answer this Question

## Related Questions

- physics - A stone is thrown vertically upward. On its way up it passes point A ...
- Physics - An object with mass 0.250 kg is acted on by an elastic restoring force...
- PHYSICS helppppp - A 0.2 kilogram baseball is thrown vertically downwards ...
- physics - a boy who is 1.5m tall throws a ball into the air the ball attains a ...
- physics - A 0.500 kg is thrown vertically upward from the ground with an initial...
- oscillation - An object with mass 0.250 kg is acted on by an elastic restoring ...
- Physics - A stone is thrown from the edge of a cliff into the ocean below. It is...
- Physics - A stone is thrown from the edge of a cliff into the ocean below. It is...
- Physics ~Conservation of Energy~ - 1.) At one point in its fall, an object (m=2....
- science - 1. How much potential energy does a 5kg block have if it is 2m above ...