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An electron is confined in a harmonic potential well that has a spring constant of 1.50 N/m. What are the first three energy levels of the electron?
A billiard ball moving at 1.5 m/s in the x direction collides with an identical ball initially at rest. after the collison one ball moves off at 45 degrees above the x axis. find both balls post collision velocities
Let the building is 50 m tall, the initial horizontal velocity is 9.0 m/s, and the initial vertical velocity is 12.0 m/s. select your coordinates such that the positive y-axis is upward, and the x-axis is to the right, and the origin is at the poi..
Kelli weighs 417 N, and she is sitting on a playground swing that hangs 0.44 m above the ground. Her mom pulls the swing back and releases it when the seat is 1.00 m above the ground. Imagine that air resistance is negligible.
A concave shaving mirror has a radius of curvature of 40.1 cm. How far is the mirror from the man's face
Gadolinium sulphate obeys Langevin's theory of paramagnetism down to a few degrees Kelvin, Determine the degree of magnetic saturation in this salt at a temperature of 2K in a field of flux density 2 weber/m^2
Two tanks are engaged in a training exercise on level ground. The first tank fires a paint-filled training round with a muzzle speed of 237.5m/s, Find the distance between the tanks when the round was first fired
A 57.0-m length of coaxial cable has an inner conductor that has a diameter of 2.58 mm and carries a charge of 8.10 µC. obtain the potential difference between the two conductors
A rescue helicopter lifts a 60 kg person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s2, How much work is done by the tension in the cable
A submarine dives to a depth of 310 feet in the ocean. What is the gauge pressure at this depth? How many atmospheres is this
2kg block located on an incline plane with an angle of 60 degrees. the Force is a horizontal force. What is the normal force exerted on the block
A stone is thrown upward with an inital speed of 20 m/s. What is its acceleration at the higest point of its trajectory, Find its veolocit
Calculate the direction, magnitude and line of action of the vertical and horizontal components of hydrostatic force acting on a surface.
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