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A harmonic oscillator potential of natural frequency ω contains a number of electrons and is in the state of lowest energy. If that energy is 6.5 h ω,(a) how many electrons are in the potential well, and (b) what is the energy of the highest-energy electron?
a billiard ball moving at 5.60 ms strikes a stationary ball of the same mass. after the collision the first ball moves
A ball of mass 0.120 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to reach a height of 0.600 m. What impulse was given to the ball by the floor?
Station KAIM in Hawaii broadcasts on the AM dial at 870 kHz, with a maximum power of 50000 W. At maximum power, how many photons does the transmitting antenna emit each second?
Three equal positive point charges of magnitude Q = 6.00? C are located at three corners of a square of edge length d = 2.9 cm. A negative charge -18.00? C is placed on the fourth corner.
A charge of +q is located at the origin, while an identical charge is located on the x axis at x = 0.53 m. Where should the third charge be located
A cylindrical electromagnet contains a uniformly magnetized core having a magnetization of 1.5 x10^6 A/m, Find the magnetic field in the core
A double slit is opposite the center of a 1.7-m wide screen 2.3 m from the slits. The slit separation is 24 µm and the width of each slit is 7.2 µm. How many fringes are visible on the screen if the slit is illuminated by 590-nm light?
A bicyclist is riding a bicycle on a flat road. (Figure 2) The combined mass of the bicyclist and bicycle is = 110 , the radius of each wheel is = 32.5 , and the coefficient of rolling resistance between the tires and the road is = 0.170 . The ped..
You hold a ruler that has a charge on its tip 2 cm above a small piece of tissue paper to see if it can be picked up, What is the minimum charge required to pick up the tissue paper
A certain ideal gas has a molar specific heat at constant volume CV = 7R/5. What is its molar specific heat at constant pressure
a transformer has 720 turns in the primary coil and 40 turns in the secondary coil.a if an ac voltage of 120 v is
two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. the orbital speeds
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