The electric field near the surface of Earth points downward and has a magnitude of 150 N/C.
(...
Physics, 22.02.2020 05:06 EBeast7390
The electric field near the surface of Earth points downward and has a magnitude of 150 N/C.
(a) Compare the upward electric force on an electron with the downward gravitational force.
? (upward force / downward force)
The gravitational force is is much larger?
The electric force is is much larger?
Both forces are equal?
.
(b) What magnitude charge should be placed on a penny of mass 6 g so that the electric force balances the weight of the penny near Earth's surface?
? C
Answers: 3
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