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8 Cards in this Set

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  • Back
wha is the formula for kinetic energy?
k.e=1/2(mass)(velocity)^2
what is the relationship between wavelength and frequency?
they are inverse
whais produced by a stream of electons flowing through a wire wrapped around an iron core?
a magnetic field
momentum is a vector quantity because it has magnitude and______.
direction
if a large force is exerted on an object, no work is performed if it doesnt____.
move
what causes our seasons to change?
the earths orbit and its axis
what is the formula for gravitational potential energy?
(mass)(9.8)(height)
power is measured in what?
watts