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A -6.00-µC charge is moving with a speed of 6.40 104 m/s parallel to a very long, straight wire. The wire is 5.00 cm from the charge and carries a current of 68.0 A in a direction opposite to that of the moving charge. Find the magnitude and direction of the force on the charge.
There are two resistors, R1 and R2, connected in series with an ideal battery. What are the actual voltages across the resistors
A dynamite blast at a quarry launches a rock straight upward, and 2.1s later it is rising at a rate of 14m/s. assuming air resistance has no effect on the rock, compute its speed.
The balloon contains 0.30mol of helium starts at a pressure of 110 kPa and rises to an altitude where the pressure is 70.0 kPa, How much work does the gas in the balloon do
a jet engine suspended beneath the wing of an airplane. The weight of the engine is 11800 N, find the magnitude of the torque due to the weight
A piston of radius r = 0.05 m has a stroke within a cylinder of S = 0.2 m. At the bottom of the stoke the cylinder fills with air at T1 = 22.4 C and a pressure of P1 = 100 kPa. What would be the length of the cylinder
a 4.0 kilogram cart moving to the right and a 6.0 kilogram cart moving to the left on a horizontal frictionless surface. find the magnitude of the total momentum of the two-cart system
q1. consider a motor that exerts the constant torque of 25.0 n cdot m to a horizontal platform whose moment of inertia
You are a professional frontier re-enactor who specializes in making lead shot. To do this you put 2 kg of ice into 2 kg of water, both at 0 C, into an insulated bucket.
List all the possible set of quantum numbers for a hydrogen atom with n=3. What is the electrons total energy
A sledge loaded with bricks has a total mass of 17.8 kg and is pulled at constant speed by the rope inclined at 20.4° above the horizontal. The sledge moves a distance of 20.7 m on a horizontal surface. The coefficient of kinetic friction between ..
An aluminum wire with a cross-sectional area of 3.9 x 10^(-6) m^2 carries a current of 1.9 A. Find the drift speed of the electrons in the wire
A 2,493-kg car is moving down a road with a slope (grade) of 14% at a constant speed of 13 m/s. compute the direction and magnitude of the frictional force
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