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A 4mm diameter circular coil of 25 turns and total resistance 0.001O lies in the x-y plane at a distance of 3m from a long straight current-carrying wire along the x-axis. If the current in the wire is increasing at a rate of 0.2 A/s, find the induced current in the coil and give its direction in a sketch. (Assuming the magnetic flux is uniform over the area of the coil).
A rocket powered sled accelerates uniformly from 12m/s to 115m/s while undergoing a straight line path displacement of 225m. What is the acceleration of the sled
An RLC circuit is used in a radio to tune into an FM station broadcasting at f=99.7 Mhz. What capacitance should be used
Dan lifts a mass of 10 kg vertically upward at a constant speed of 0.2 m/s through a distance of 1 m. What is the work done by Dan
A bat at rest sends out ultrasonic sound waves at 49.4kHz, What is the received sound frequency
Work function of potassium is 2.25 eV. Find the cutoff wave length of potassium
The diodes are oppositely oriented, so that when one diode is forward-biased, the other is back-biased. Which phrase best describes the current in the circuit.
A 2500- Ferris wheel accelerates from rest to an angular speed of 0.21rad/sec in 14sec . Approximate the Ferris wheel as a circular disk with a radius of 30m. What is the net torque on tyhe wheel?
A block of mass 2.1 kg, which has an initial velocity of 5.3m/s at time t = 0, slides on a horizontal surface. Determine the distance that the block slides as it comes to rest
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
A hot-air balloonist, rising vertically with a constant velocity of magnitude v= 5.00 m/s, releases a sandbag at an instant when the balloon is a height h= 40.0 m above the ground. With what magnitude of velocity does it strike
An object is dropped from rest from a height of 3.9 107 m above the surface of the Earth. If there is no air resistance, what is its speed when it strikes the Earth
A 0.142kg baseball has a terminal speed of 42.5m/s. If abaseball experiences a drag force of R=CV^2, what is the value ofthe constant C, What is its speed just before it hits the ground
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