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An electron with electric charge of 1.6 x 10-19 C falls through a potential difference of 41 kV in the vacuum of an X-ray tube. What is the kinetic energy of the electron, assuming it started from rest and that there is no loss of energy to friction? (Note:1 volt = 1 joule/coulomb.)
Determine the equivalent molecular mass, the gas constant for this mixture, and the composition of air on a mass (or weight) basis.
This coil fits and is arranged inside a 1400 turns/m solenoid that carries a current of 3.5 A. What is the maximum torque on this coil?
An ideal gas sample occupies a container of volume 0.70L at STP. Find the number of moles in the sample
in most projectile motion problems air resistance is neglected. this oversimplification is acceptable in only a few
1400 kg car acelerates from 45mph (20.1 m/s) to 65mph (29.1m/s) over a distance of 440 m in 35 s. what is the network done on the car by all forces acting on it
How much energy is necessary to bring the system back
Light shines through a single slit whose width is 7.40 10-4 m. A diffraction pattern is formed on a flat screen located 3.2 m away. The distance between the middle of the central bright fringe and the first dark fringe is 3.25 mm. What is the wavelen..
A(n) 11.9 g bullet is shot into a(n) 6191 g wooden block standing on a frictionless surface. Calculate the velocity of the bullet before striking the block
Compare the calculated zero-point energies according to Quantum Mechanics and Classical Mechanics for a xenon atom confined to a 10 nm line.
A block starts with a certain speed at the top of a frictionless inclined plane with an unknown angle to the horizontal. To calculate the time required for the block to reach the bottom of the plane.
What is the magnitude of the acceleration of the ball just before it strikes the ground? Express your answer using two significant figures. What was the initial speed of the ball?
Friction provides the force required for a car to travel around a flat, circular race track. What is the maximum speed at which a car can safely travel if the radius of the track is 80.0 m and the coefficient of friction is 0.40?
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