A pendulum clock on the surface of the earth has a period of 1.00 s. On a distant planet, the length of the pendulum must be shortened slightly to have a period of 1.00 s
What is true about the acceleration of gravity on the distant planet? A)
The gravitational acceleration of the planet is 0.
B)
The gravitational acceleration of the planet is slightly greater than g.
C)
The gravitational acceleration of the planet is slightly less than g.
D)
There is no gravitational acceleration on the planet.
E)
The gravitational acceleration of the planet is equal to g.
C
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Transmitting power at high voltage, e.g., 400,000 V, reduces the power loss for transmission lines. But such a voltage would destroy electrical devices in household use. How then can such 400,000 V electricity be used in a normal house?
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