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Magnitude of force exerted by +1 nC charge on -1 mC charge is 2 Newton. Determine distance between the charges.
A 50,000 kilogram railroad car moving at 4.0 m/s overtakes and couples with a second car of mass 60,000 kilogram that is initially moving at 2.0 m/s on the same track. Find the speed of the two cars after they are coupled
A man who is 1.2 meter tall throws a ball with a speed of 5.1 m/s at an angle of 27o above the horizontal. Determine the x and y components of the velocity
Discuss the postulates and implications of Albert Einstein's Special Theory of Relativity on the way that scientific data is collected and analyzed
An ideal gas expands at a constant total pressure of 3.0 atm from 400 mL to 600 mL. heat then flows out of the gas at a constant volume, and the pressure and temperature are allowed to drop until the temperature reaches its original value.
A conductor is found to be transparent to ultraviolet light with wavelengths shorter than 200 nm. Assuming a permittivity equal to that of vacuum, and assuming that the effective mass equals the free-electron mass, calculate the Hall coefficient.
Four identical particles of mass0.50 kg each are placed at the verticesof a 1.5 m multiplied by 1.5 m square andheld there by four massless rods, which form the sides of the square.
A mass m = 4.5 kg hangs on the end of a massless rope L = 2.01 m long. The pendulum is held horizontal and released from rest. What is the magnitude of the tension in the string at the bottom of the path
A canoe has a velocity of 0.550 southeast relative to the earth. The canoe is on a river that is flowing at 0.510 east relative to the earth. Find the magnitude of the velocity of the canoe relative to the river.
A spring is hung from the ceiling. A 0.322 -kg block is then attached to the free end of the spring. Find the angular frequency of the block's vibrations
a 1.00 kg glider attached to a spring with a force constant 49.0 nm oscillates on a horizontal frictionless air track.
a high-voltage transmission line with a resistance of 0.29 km carries a current of 1010 a. the line is at a potential
A car was seen driving off the edge of a cliff at an angle of 10 ° above the horizontal. The cliff is 95m high and the car impacted the ground at a distance of 156m from the base of the cliff. What is the speed of the car.
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