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An electron passes through a point 3.91 cm from a long straight wire as it moves at 33.7% of the speed of light perpendicularly toward the wire. The wire carries a current of 11.3 A. Find the magnitude of the electron\'s acceleration at that point.
In each cycle of its operation, a refrigerator removes 10 J of heat from the inside of the refrigerator and releases 38 J of heat into the room. How much work per cycle is needed to operate this refrigerator.
The distance between two telephone poles is 44.5 m. When a 1.00-kg bird lands on the telephone wire midway between the poles, How much tension does the bird produce in the wire
Apply those results to get how much slower a clock goes near the earth than one, which is higher up.
A transverse electromagnetic plane wave with a frequency of 2.84 MHz travels directly away from you (- z direction). At time t = 0, your magnetic field detector measures a magnetic field of 4.57 × 10-8 Tesla pointing down (- y direction) which fur..
The radius of the Earth's orbit is 1.50 multiply.gif 1011 m and that of Mercury is 5.81 multiply.gif 1010 m. What is the orbital period of this planet
A 7.80-g bullet moving at 500 m/s penetrates a tree trunk to a depth of 5.40 cm. find the average frictional force that stops the bullet
We are not normally aware of the gravitational or electric force between two ordinary objects. What is the reason in each case? Give an example where we are aware of each one and why.
A particle with a charge of 31?C moves with a speed of 72m/s in the positive x direction. The magnetic field in this region of space has a component of 0.38T in the positive y direction, what is the magnitude of the magnetic force on the particle
A hot (70°C) lump of metal has a mass of 250g and a specific heat of 0.25 cal/g°C. John drops the metal into a 500 g calorimeter containing 75g of water at 20°C.
You are going to lift an elephant (mass = 2.6 103 kg) over your head (1.9 m vertical displacement). Calculate the work required to do this
A 700 lb floating platform is at rest when a 200 lb crate is thrown onto it with horizontal speed v0 = 12 ft/s. find the distance that the crate slides relative to the platform
The power of a certain CD player operating at 120V rms is 20.5W. determine the maximum instantaneous power
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