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For the wire arrangement in the figure, a = 12.9 cm and b = 17.3 cm. The current in the long straight wire is given by i = 5.86t2 - 13.1t, where i is in amperes and t is in seconds.
(a) Find the emf in volts in the square loop at t = 4.38 s.
(b) What is the direction of the induced current in the loop?
A 4.29 g bullet moving at 686.5 m/s penetrates a tree trunk to a depth of 4.49 cm. Assuming that the frictional force is constant, determine how much time elapses between the moment the bullet enters the tree and the moment the bullet stops moving. a..
A resistance R and a 1.5-H inductance are in series across a 60-Hz ac voltage. What is the ac input voltage
Someday in the future, an astronaut on Mars (where gMars = 3.71 m/s^2) might lean over the edge of 25.0-meter-tall spacecraft , What will be the package's speed when it strikes the ground
A 2kg object is moving to the right with a speed of 4m/s when it experiences an impulse of 6Ns . What is the object's speed after the impulse?
A 650-N physics student stands on a metric bathroom scale inside an elevator. The elevator (including the student) has a total mass of 875 kg. What is the tension on the elevator cable in both cases
Two long parallel wires are separated by 3.2 mm. The current flowing in one of the wires is twice that in the other wire. what are the values of the two currents
Write an essay of 500 words, giving examples on the use of Kirchhoff's Current Law.
Decide the R value for a wall constructed as follows: The outside of the house consists of lapped wood shingles placed over 0.50 in. thick sheathing, over 2.2 in. of cellulose fibber, over 0.50 in. of dry wall.
You, Archimedes, suspect that the king?s crown is not solid gold but is instead gold-plated lead. What percentage (by weight) of this crown is made of gold
Jane and Jon, with masses of 50 kg and 60kg, respectively,stand on a frictionless surface 10m apart, What is JOhn's acceleration
The equation of a transverse wave traveling along a very long string is y = 6.5 sin (0.045 ?x + 6.0 ?t), Determine the amplitude of propagation of the wave
A capacitor is connected across an ac generator whose frequency is 751 Hz and whose peak output voltage is 140 V. What is the magnitude of the maximum charge on one plate of the capacitor
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