Physics, 17.10.2020 19:01 jflandersneongr
When energy is transferred from one part of a system to another, some of the
energy is lost during the transfer and cannot be used as it was intended.
Which two sentences describe examples of this?
A. Friction between a car's tires and the road produce heat.
N
B. Sunlight strikes a solar panel, generating electricity.
I c. Stereo speakers emit sound when powered by electrical energy,
D. Wind moves a turbine, generating electricity.
I E. Power lines heat up as electricity flows through them.
Answers: 2
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Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0â with respect to the polarizer, what is the intensity of the light that reaches the photocell?
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What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?
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When energy is transferred from one part of a system to another, some of the
energy is lost during...
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