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True or false and describe.
Electrons only travel in one direction when a potential dissimilarity is applied across a conductor.
An isolated sphere has a capacitance.
The capacitance of three capacitors placed perpendicular with each other is the sum of their individual values.
A superconductor has zero resistance at some temperature.
By convention, the direction of electric current is opposite to the flow of electrons.
The capacitance of three capacitors placed in parallel with each other is the sum of their individual values.
A baseball infielder, mass 75 kg, jump up with velocity 3.00m/s andcatches a 0.150Kg baseball moving horizontally at 50.0m/s of thefollowing, which is closet to the final momentum of the system,infielder and baseball?
A flywheel rotates at 50 rad/s. It is brought to rest by a constant frictional torque after making 10 complete revolutions. How long did it take to stop the flywheel
In 0.975 s, a 14.1-kg block is pulled through a distance of 3.32 m on a frictionless horizontal surface, starting from rest. By how much does the spring stretch
select the quantity that has changed(velocity or speed) for a car that travels north at 88 km/h and then turns east while continuing to move at 88 km/h. define your answer.
Suppose that you loft the ball with an initial speed of v = 16.2 m/s, at an angle of ? = 49.4° above the horizontal. With what minimum average speed must he move
A single loop of copper wire moves at an unknown constant speed v into a region of uniform magnetic field B = 5.00 T. Calculate the induced current in the copper wire loop
After the NEAR spacecraft passed Mathilde, on some occasion's rocket propellant was expelled to adjust the spacecraft's momentum in order to follow a path that would approach the asteroid Eros, final destination for the mission.
A planar loop consisting of four turns of wire, each of which encloses 200 cm2, is oriented vertically to a magnetic field that increases uniformly in magnitude from 10 mT to25 mT in a time of 5.0 ms. what is the resulting induced current in the coil..
An athlete at the gym holds a 3kg steel ball in his hand. His arm is 70 cm long and has a mass of 4kg. What is the magnitude of the torque about his shoulder
a point charge q = +87.1 micro coulombs is held fixed at the origin. A second charge, with mass m = 0.0576 kg and charge q = +3.5 micro coulombs, Find the electric potential energy of the system of charges
A community plans to build a facility to convert solar radiation to electrical power. They need 3.00 MW of power, and the system to be installed has an efficiency of 30.0% (that is, 30.0% of the solar energy incident on the surface is converted to us..
Find the wavelengths of these extremes at a temperature. find out the force exerted by the man on the rope, and the work done in dragging the box over a distance of 15m.
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