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A coil withan inductance of 2.7 H and aresistance of 10 is suddenlyconnected to an ideal battery with = 85 V.
(a) At 0.10 s after the connection is made, what is therate at which energy is being stored in the magnetic field?
W
(b) What is the rate at which thermal energy is appearing in theresistance?
(c) What is the rate at which energy is being delivered by the battery?
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.70 104 m/s, and the radius of the orbit is5.00 106 m. What is the orbital speed of the second satellite
A car chases a coyote down a road ending in a sheer cliff. What frequency does the coyote hear for the sound reflected from the cliff
A motorcycle, which has an initial linear speed of 9.1 m/s, decelerates to a speed of 2.0 m/s in 4.5 s, calculate the angular displacement (in rad) of each wheel
q1. a 0.27 kg rock is thrown perpendicularly upward from the top of the cliff that is 32 m high. when it hits the
Consider an LC circuit in which L = 470 mH and C = 0.102 µF. What is the resonance frequency and If a resistance of 1.30 k? is introduced into this circuit, what is the frequency of the damped oscillations
A supersonic jet passes directly overhead at an altitude of 12,930 m, traveling at 680 m/s, or mach 2. How much time elapses before you hear the sonic boom
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +3q. Sphere B carries a charge of -q. compute the ratio of the final charge on sphere
The first ball with a mass of 0.1kg traveling to the right at 3m/s hits a second ball which is stationary with a mass of 0.05kg head on. What is the final velocity of the first ball after the collision?
A person with mass mp = 70 kg stands on a spinning platform disk with a radius of R = 2.13 m and mass md = 187 kg. What is the final angular velocity of the disk
A long solenoid has 1580 turns in a length of 40.0 cm. What current has to flow through the solenoid in order to generate a magnetic field of 3.45 ?T in its interior
To prevent damage to floors (and to increase friction), a crutch will often have a rubber tip attached to its end. by what factor does the tip reduce the pressure exerted by the crutch
If the dummy is thrown forward with force of 130.0 N while simultaneously being hit from the side with a force of 4500.0 N, illustrate what force will the sensor report?
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