Physics, 07.11.2019 05:31 davidaagurto
Asolenoidal inductor for a printed circuit board is being redesigned. to save weight, the number of turns is reduced by one-half, with the geometric dimensions kept the same. by how much must the current change if the energy stored in the inductor is to remain the same? (a) it must be four times larger. (b) it must be two times larger. (c) it should be left the same. (d) it should be one-half as large. (e) no change in the current can compensate for the reduction in the number of turns.
Answers: 2
Physics, 22.06.2019 04:30, leilaford2003
Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j
Answers: 1
Physics, 22.06.2019 15:00, depinedainstcom
What property of an object determines its inertia?
Answers: 2
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