Physics, 16.01.2021 14:00 sindy35111
O operate this generator, a human applies a force by turning the crank. This action generates an electric current, which lights the light bulb.
The crank in this apparatus is connected to a shaft that
A.
spins conductive coils of wire through the magnetic field produced by the magnets.
B.
spins small magnets inside of the magnetic field produced by the larger magnets.
C.
generates a magnetic field in the magnets.
D.
grinds iron coils against copper wires to generate sparks.
Answers: 3
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How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by
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A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s
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O operate this generator, a human applies a force by turning the crank. This action generates an ele...
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