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A football is punted straight up into the air; it hits the ground 5.2 s later. What was the greatest height reached by the ball? With what speed did it leave the kicker's foot?
You connect five identical resistors in series to a battery whose EMF is 12.0 V and whose internal resistance is negligible. obtain the potential difference across each resistor
find the coefficient of kinetic friction between skis and snow.Three equal point charges, each with charge 1.80 mu C, are placed at the vertices of an equilateral triangle whose sides are of length 0.500 m. What is the electric potential energy U o..
To store the energy produced in 1hour by a 110 electric power plant, how many cubic meters of water will have to be pumped from the lower to the upper reservoir? Suppose the upper reservoir is 510 meters above the lower one, and we can neglect the sm..
Two masses of 4.00 kg each, connected by a string, slide down a ramp making an angle of 45° with the horizontal. The coefficient of kinetic friction between m1 and the ramp is 0.33. The coefficient of kinetic friction between m2 and the ramp is 0...
An object weighing 307 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 270 N. Immersed in oil, the object weighs 282 N. compute the density of the object.
The magnitude of F is 306 newtons and it points at 93o measured counter clockwise from the positive x-axis. What is the y component (in newtons) of F.
A toroidal solenoid has a mean radius of 11.0 cm and a cross-sectional area of 5.00 cm2 and is wound uniformly with 100 turns. A second coil with 500 turns is wound uniformly on top of the first. What is the mutual inductance of these coils.
An airplane is flying with a velocity of 90 at an angle of 22 above the horizontal. When the plane is a distance 122 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
Now the gymnast (not holding any additional mass) walks directly above right support. What is the force the left support exerts on beam.
Two sleds are hooked together in tandem . The front sled is is twice as massive as the rear sled. Determine the ratio of the magnitude of the two forces.
A subway train starts from rest at a station and accelerates at a rate of 1.56m/s2 for 13.7s, Find the total distance covered
A stream of protons and electrons are shot horizontally (from the left edge of the page to the right) with a speed of 1.2 x 10^6 m/s, What is the radius of the curvature and the direction for the curvature that each of these particles undergoes
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