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Calculate the displacement current ID between the square plates 5.8 cm on a side, of a capacitor if the electric field is changing at the rate of 2 x 106 V/m.s
A tennis player receives a shot with the ball (0.0600 kg) traveling horizontally at 50.0 m/s and returns the shot with the ball traveling horizontally at 40.0 m/s in the opposite direction. (a) What
Two equal masses are attached to separate identical springs next to one another. One mass is pulled so its spring stretches 20 cm and the other is pulled so its spring stretches only 10 cm.The masse
At a certain location, Earth has a magnetic field of 0.000060 T, pointing 75 degrees below the horizontal in a north-south plane. A 10.0 m long straight wire carries a 15 A current. If the current i
A solid cylinder with a radius of 4.0 cm has the same mass as a solid sphere of radius R. If the cylinder and sphere have the same moment of inertia about their centers, what is the sphere's radius?
An electron is trapped in a one-dimensional region of length 10^-10 m. How much energy must be supplied to excite the electron from the ground state to the first excited state?
Tarzan (mass = 80 kg) swings from a vine, and at the lowest portion of the swing he picks up (collides with) Jane (mass = 45 kg) who was originally standing stationary on the ground. If Tarzan origi
A long solenoid has 2250 turns in a length of 75.0 cm. A current of 5.65 mA flows through the solenoid. What is the strength of the magnetic field generated inside the solenoid?
The spring and mass are on a horizontal table, and the mass is not attached to the spring but simply pressed against it. When the mass is released it fires across the table and up a 40 degree inclin
A 10 kg block is released from rest at the top of a 40 degree incline that is 4 m long. If the speed of the block at the bottom of the incline is 5 m/s. -Determine the coefficient of friction betwee
The radius of the container is 13 cm. When the cylinder is rotating at 2.2 revolutions per second, what is the magnitude of the centripetal acceleration at the outer wall.
Two long straight parallel wires are oriented in a north-south direction at the same height, 50.0 cm apart, and carrying currents of 8.00 A in opposite directions. Find the strength of the magnetic
A university physics professor buys 140 m of string and determines its total mass to be 0.170 kg . This string is used to set up a standing wave laboratory demonstration between two posts 3.0 m apa
A box contains 10000 gas molecules, 2500 of nitrogen and 7500 of argon in thermal equilibrium. The molecular weight of N2 is 28 g/mol, and of Ar is 40 g/mol. The total kinetic energy of the collecti
A rod in a steam jacket is measured to have a length of 0.600m. at a temperature of 22.0C Steam is passed through the jacket for several minutes until the rod is at a temperature of 98C. The increas
A 0.10kg dart is fired horizontally at the center of a 0.80kg vertically hanging block, sticking to it. The system reaches a maximum height, h, of 0.20m above the collision point. Find: the velocit
A continuous stream of electrons flows along a long straight path through a piece of laboratory equipment: 4.750e+18 of them pass through the equipment each second. What is the strength of the magne
Using Ampere's-Maxwell's law determine the rate at which the electric field changes between the round plates of a capacitor, 3 cm in radius, if the plates are spaced 1.3 mm apart and the voltage acr
(a) What is the strength of the magnetic field inside the solenoid? (b) The solenoid carries a current of 10.0 A. How tightly wound is the solenoid, in loops per meter?
Resistances of 8 ohms and 12ohms are connected in parallel between points A and B. This combination is in series with another of resistances X ohms and 16 ohms in parallel between points B and C. Th
A cable lifts a 1000 kg elevator at a constant velocity for a distance of 33 m. What is the work done by each of the following?
Bubba then throws a pebble down the same well so that it reaches the bottom of the well in 1.54 seconds. How fast did bubba throw the pebble down the well? How fast is the pebble moving that bubba t
A person is making homemade ice cream. She exerts a force of magnitude 20 N on the free end of the crank handle, and this end moves in a circular path of radius 0.32 m. The force is always applied p
Billy bob is driving along one day talking on his cell phone instead of paying attention to what he is doing. He drives right off of a 25 foot cliff at 42 mph. What is the direction and magnitude of
The brakes of a truck cause it to slow down by applying a retarding force of 2.50 x 103 N to the truck over a distance of 910 m. What is the magnitude of the work done by this force on the truck? Is t