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The magnetic potential energy stored in a certain inductor is 22.5 mJ when the current in the inductor is 57.5 mA.
a) Compute the inductance.
b) What current is required for the stored energy to be 150 mJ?
q1. the wheel of the car has a radius of 0.340 m. the engine of the car applies a torque of 282 nbullm to this wheel
A square loop of wire is believed in a uniform 0.29 T magnetic field directed perpendicular to the plane of the loop. The length of every side of the square is decreasing at a constant rate of 5.8 cm/s. What emf is induced in the loop when the length..
a person is exercising burning 550 calhr. while doing this exercise they breath deeply so the volume they take into and
Find out the moment of inertia of the wheel. Initially the wheel rotates with an angular speed , causing the block to rise with a linear speed = 0.33 .
Use the period of the earth (2.54 y), its mean orbital radius (1.496 × 10^11 m), and the universal gravitational constant (6.673 × 10^?11 N · m2/kg2) to calculate the mass of sun
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Two starships, the Enterprise and the Constitution, are approaching each other head-on from a great distance. what wavelength was emitted by the Enterprise
A speaker at the front of a room and an identical speaker atthe rear of the room are being driven at 421 Hz by the same sound source. How many beats does the student hear per second
You are setting up two standing string waves. You have a length of uniform piano wire that is 6.0m long and has a mass of 0.150kg . You cut this into two lengths, one of 2.6m and the other of 3.4m , and place each length under tension. What should..
The observer on the right, sees two final images. One image comes directly from the objet. What is the focal length of the concave mirror
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