The linear momentum of an extended object is the product of the object's mass and the velocity of its center of mass
Indicate whether the statement is true or false
TRUE
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The energy stored in a coil of self-inductance, L, and traversed by current I, is E1. A second coil is made with the same length of wire, but its radius is twice the radius of the first coil and it is twice as long as the first coil
If the second coil also has twice the current of the first coil, how does the energy stored in the first coil, E1, compare to the energy stored in the second coil, E2? A) E1 = E2 B) E1 = E2/8 C) E1 = 4E2 D) E1 = E2/2 E) E1 = E2/4
Four identical 4-mF capacitors are connected together electrically. What is the greatest possible capacitance of the combination?
a. 16 mF c. 4 mF b. 8 mF d. 1 mF
When ice melts, its temperature increases
a. True b. False Indicate whether the statement is true or false
A wave travels an average distance of one meter in one second with a frequency of 1 hertz. Its amplitude is
A) less than 1 meter. B) 1 meter. C) more than 1 meter. D) need more information