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A 8.6cm diameter wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 0.64T pointing up. During the course of 0.27s , the field is changed to one of 0.31T pointing down.
What is the average induced emf in the coil?
A bullet leaves a standard 45-caliber pistol (5.0-in. barrel) at a speed of 262 m/s. If it takes 1 ms to traverse the barrel, determine the average acceleration experienced by the 16.2-g bullet within the gun and after that compute average force e..
If the coefficient of friction between the block and the floor is 0.40, what is the mass of the block.
A 7 kg bowling ball moves at 2.15 m/s. How fast should a 2.40 g Ping-Pong ball move so that the two balls have the same kinetic energy.
What is the minimum coefficient of friction between tires and road that will allow cars to negotiate the turn without sliding off the road.
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, Find the velocity (magnitude and direction) of the ball just before the collision
he driver finds that the car bounces up & down with maximum amplitude when he drives at a speed of 4.2 m/s (approx 9.4 mph). The car then stops & picks up three more 110 kg passengers. By how much does the car body sag on its suspension when these ..
Blocks with masses of 4.0, 8.0, and 9.0 are lined up in a row on a frictionless table. All three are pushed forward by a 16 force applied to the 4.0 block. How much force does the 8.0 block exert on the 8.0 block.
An ac generator has a circular coil of 338 turns and diameter 0.200 m which rotates about an axis in the plane of the coil, What is the peak emf (in V) generated across the generator coil
A point particle with charge q = 86 µC is placed at a corner of a cube of edge a = 12 cm, What is the flux through each of the other cube faces
A pair of speakers separated by 0.900 m is driven by the same oscillator at a frequency of 672 Hz. An observer originally positioned at one of the speakers begins to walk along a line perpendicular to the line joining the speakers. (Assume the spe..
find the tangential and centripetal components of the net force exerted on a car (by the ground) when its speed is 38 m/s, and it has accelerated to this speed from rest in 9.5 s on a curve of radius 370 m. The car's mass is 1000 kg.
A power line 50km long has a total resistance of 0.60ohm, What percentage of the original energy is lost when the transformer is not used
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