# Discussion on Conservation of Energy

Posted on: 03:39:03 PM on November 13, 2012
a body of mass 2kg is dropped from a height of 10m. Its mechanical energy at height 3m will be?

REGISTER NOW & POST YOUR QUESTIONS

## Reponses To This

Posted on: 08:13:55 PM on October 23, 2013
i think potential energy=mgh ,2X10x3=60J &kinetic energy=140J because the potential energy at the first=2X10X10=200J.

Posted on: 08:14:41 PM on October 23, 2013
i think potential energy=mgh ,2X10x3=60J &kinetic energy=140J because the potential energy at the first=2X10X10=200J.

Posted on: 08:14:42 PM on October 23, 2013
i think potential energy=mgh ,2X10x3=60J &kinetic energy=140J because the potential energy at the first=2X10X10=200J.

Posted on: 08:14:42 PM on October 23, 2013
i think potential energy=mgh ,2X10x3=60J &kinetic energy=140J because the potential energy at the first=2X10X10=200J.

Posted on: 08:14:42 PM on October 23, 2013
i think potential energy=mgh ,2X10x3=60J &kinetic energy=140J because the potential energy at the first=2X10X10=200J.

Posted on: 08:14:42 PM on October 23, 2013
i think potential energy=mgh ,2X10x3=60J &kinetic energy=140J because the potential energy at the first=2X10X10=200J.

Posted on: 02:48:58 PM on May 13, 2015
Mechanical energy =kinetick energy + potential energy At the height of 3m potential energy=mgh =2103=60 & kinetick energy=0 So mechanical energy =60

Posted on: 10:18:22 AM on June 9, 2015
Mechanical energy =kinetic enrgy +potential energy bcoz potential energy is mgh therefore 2x10x3= 60 n kinetic energy is 0 Mechanical energy =60+0=60J 