When a roller coaster climbs up a hill, its potential energy?
is the same as its kineti...
Physics, 30.01.2020 12:03 johnathondevilchil
When a roller coaster climbs up a hill, its potential energy?
is the same as its kinetic energy
increases
decreases
is zero
Answers: 1
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Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.
Answers: 3
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The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
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Answers: 1
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