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Q:
WHY MOMENTUM IS A VECTOR AND KINETIC ENERGY IS SCALAR QUANTITY ALTHOUGH BOTH ARE THE PRODUCT OF MASS AND VELOCITY?
- SANA ULLAH (age 26)
SWAT PAKISTAN
A:
Actually kinetic energy is a product of mass and the SQUARE of the
velocity. The standard (dot-product) square of a vector is just a
scalar.
mike w
(published on 10/22/2007)
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