A physics teacher
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Showing posts with label
joule
.
Show all posts
Showing posts with label
joule
.
Show all posts
Saturday, February 6, 2010
What is the electron volt (eV)?
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The electron volt is a unit of energy like the joule (J). However in quantum mechanics if the joule is used, then very small numbers wo...
Sunday, November 15, 2009
Force, work, power and energy
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Newton’s first law of motion Newton’s second law of motion Weight of an object Work done Kinetic energy Gravitational Potential ...
Tuesday, October 13, 2009
Gravitational potential energy to kinetic energy and vice versa.
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As we have seen in earlier post an object can have either gravitational potential energy or kinetic energy . However it is always possi...
Wednesday, July 15, 2009
What is power?
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Power is the rate of doing work. From the definition we can deduce the following equation Power = Work done /Time taken The...
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