Homework Help: physical science

Posted by Allison on Saturday, September 10, 2011 at 12:05am.

A boy with a mass of 30 kg stands motionless at the end of a diving board 3 m above the floor. The boy has:
Answer

no energy.

kinetic energy only.

potential energy only.
both kinetic and potential energy.

physical science - SraJMcGin, Saturday, September 10, 2011 at 10:25am
Try some of the following links for information on both kinetic and potential energy:

http://www.google.com/search?q=kinetic+%26+potential+energy&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

Sra
physical science - James, Monday, June 4, 2012 at 11:08pm
Potential energy, as the boy is not in motion and is suspended above the ground.

If you wanted to find the energy, the equation is;
PE = mgh
PE = 30 x 9.8 x 3
PE = 882J

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