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Q. A circular conducting loop of radius 29cm is located in a region of homogeneous magnetic field of magnitude 0.700T pointing perpendicular to the plane of the loop. The loop is connected in series with a resistor of 107W. The magnetic field is at the present increased at a constant rate by a factor of 2.8 in 19s.
Compute the magnitude of the induced emf in the loop as the magnetic field is increasing.
Q. A canoe has the velocity of 0.420m/s southeast relative to the earth. The canoe is on a river that is flowing at 0.570m/s east relative to the earth. Find the magnitude of the velocity vec{v}_{rm c/r} of the canoe relative to river.
The triangular loop of wire in the drawing carries a current of I= 6.91 A. A uniform magnetic field is directed parallel to the side AB of the triangle and has a magnitude of 2.77 T.
What is the focal length of this mirror. If the object is 25 cm in front of the mirror, what is the image distance.
What is Lagrangian for the system
A 8.9 dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. He walks along the length of the canoe at 0.54, relative to the water, and the canoe simultaneously moves in the opposite direction a..
Classically, the electron cannot pass through the barrier because E
The men's world record for the shot put, 23.12 m, was set by Randy Barnes of the United States on May 20; 1990.If the shot was launched from 6 ft above the ground at an initial angle of 42degrees, what was its initial speed.
Write down the expression that shows the pressure
A rifle with the barrel length of 62cm fires a 12g bullet with a horizontal speed of 380m/s. The bullet strikes a block of wood and penetrates to a depth of 14cm. What resistive force (assumed to be constant) does the wood exert on the bullet? How lo..
A simple harmonic oscillator consists of the block of mass 1.90 kg attached to a spring of spring constant 196 N/m. while t = 3.00 s, position and velocity of the block are x = +0.129 m and v = +3.415 m/s.
What is an average speed
A car travelling at 25.0 m/s runs out of gas while travelling up a 33.0 degree slope. How far up the hill would it coast before starting to roll back down.
A 73 kg parachutist descends during a vertical height of 420 m with constant speed. Find the increase in entropy produced by the parachutist; assume the air temperature is 21°C.
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