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A toroidal selenoid has 500 turns, cross-sectional area 6.25cm and mean radius 4.00cm
a) Calculate the coil's self inductance
b) If the current decreases uniformly from 5.00A to 2.00A in 3.00ms, calculate the selfinducee emf in th coil
c) The current is directed from terminal a of the coil to terminal b. Is the direction of the induced emf from a to b or from b to a ?
A rifle with a barrel length of 61.0 cmfires a 10.0 g bulletwith a horizontal speed of 360 {\rm m/s}. How long does it take the bullet to come to rest
A 1000 kg aircraft going 25 m/s collides with a 1500 kg aircraft that is parked and they stick together after the collision and are going 10 m/s after the collision
A solid disk of radius R and mass 2.72 kg is spinning at angular velocity 63.9 rpm about a vertical axis. What is the mass of the second disk
An AC generator rotating at 60 Hz in a 300 Gauss field has 1000 turns and produces an rms voltage of 150 volts, What is the area of each turn in the coil
A capacitor is completely charged with 670 nC by a voltage source that had 275 V. It's capacitance is 2.44nF. What is the stored energy if the air gap is now 4 mm
An object weighs 294N in the air. When tied to a string, connected to a balance, and immersed in water, it weighs 240N. When it is immersed in oil, it weighs 258N.
An object has a total energy of 5.0 x 10^15 J and a kinetic energy of 2.0 x 10^15 J. What is the magnitude of the object's relativistic momentum
An object fired at an angle of 19.1° above the horizontal takes 2.61 s to travel the last 15.3 m of its vertical distance and the last 10.3 m of its horizontal distance. With what speed was the object launched
A capacitor is connected across an ac generator whose frequency is 753 Hz and whose peak output voltage is 140 V. The rms current in the circuit is 3.0 A. What is the capacitance of the capacitor
A hot-air balloon is rising straight up with a speed of 1.47 m/s. Aballast bag is released from rest relative to the balloon when itis 9.87 m above the ground. How much time elapses before theballast bag hits the ground?
The magnetic flux through a circuit is reduced from 35 Tm^2 to 5 Tm^2 in 0.1s. The current induced in the circuit is 3.6 mA. What is the resistance to the circuit
Determine the weight at standard gravity of 10.0 lbm in (a) lbf, (b) poundals, (c) dynes, and (d) newtons
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