Physics, 26.02.2020 06:03 rodrickahammonds
A wire of resistivity ? must be replaced in a circuit by a wire four times as long. If, however, the
total resistance is to remain as before, the diameter of the new wire must
A) be two times smaller.
B) be four times larger.
C) remain unchanged.
D) be four times smaller.
E) be two times larger.
Answers: 3
Physics, 22.06.2019 20:00, chantelljenkins2
Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.
Answers: 2
Physics, 23.06.2019 01:30, skylarbrown018
The amount of potential energy possessed by an elevated object is equal to
Answers: 2
A wire of resistivity ? must be replaced in a circuit by a wire four times as long. If, however, the...
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