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A 3.83m -long coil containing 225 loops is wound on an iron core (average ?=1850?0) along with a second coil of 115 loops. The loops of each coil have a radius of 1.80cm . If the current in the first coil drops uniformly from 14.0A to zero in 92.0ms .
Determine the mutual inductance M. (units of H)
Determine the emf induced in the second coil. (units of Volts)
determine the distance between the centers of the two plates.
A physicist has developed a device that generates a beam of alpha particles (each of which is a helium nucleus, consisting of two protons, two neutrons, and no electrons).
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you found in part (1). What should be the maximum speed of the car so it can round the curve safely.
A parallel-plate capacitor is made from two plates 12.5 cm on each side and 4.20 mm apart. Half of the space between these plates contains only air, but the other half is filled with Plexiglas of dielectric constant 3.40.
Estimate the acceleration of cyclist, and roller coaster.
The effects of the spin of the earth
A pitcher throws a fastball horizontally at a speed of 150 km/h toward home plate, 18.4m away. If the batters combined reaction and swing times total 0.37s, how long can batter watch the ball after it has left the pitcher's hand before swinging? In t..
The model airplane is flying at a speed of 23 m/s on a horizontal circle of radius 17 m. The mass of the plane is 0.96 kg. The person holding the guideline pulls it in until the radius becomes 8.0 m. The plane speeds up and tension in the guidelin..
An ice block is pushed horizontally on a frictionless surface with initial velocity v0. At some point, it comes to the nearly semicircular bump with a radius R=0.42m and the height h=0.33m above the ground.
A locomotive accelerates a 25-car train along a level track. Every car has a mass of 7.6 ? 104 kg, What is the tension in the coupling between the first car and the locomotive
Now suppose that the two masses continue to move at the speed from Part A until they encounter a rough surface. The coefficient of friction between the masses and the surface is . If the blocks come to rest after a distance, which of following equ..
A 2.3 box, starting from rest, is pushed up a ramp by a 10 force parallel to the ramp. The ramp is 2.0long and tilted at 17 . The speed of the box at the top of the ramp is 0.80 .
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