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An electron in a hydrogen atom orbits with radius of 9a0.
A: What's the change in the atom's total energy if the radius increases to 25a0?
B: Does this process correspond to the emission or absorption of a photon?
C: What's the photon's wavelength?
A satellite in a circular orbit around the earth with a radius 1.011 times the mean radius of the earth is hit by an incoming meteorite. Find the total work done by gravity on the satellite fragment
A solenoid is formed by winding 97 turns of wire around a rectangle 7.3 cm by 14.6 cm. If the solenoid is 17 cm long, what is its inductance
A weightlifter has been given a barbell to lift. One end has a mass of 5.05 kg while the other end has a mass of 5.20 kg. The bar is 0.20 m long. (Consider the bar to be massless, and assume that the masses are thin disks, so that their centers of ma..
the drawing shows three particles far away from any other objects and located on a straight line. the masses of these
two particles with Q1=50uc and Q2=84uc are initially separated by a distance of 2.3m, what is the change in electric potential energy
an empty hollow metal sphere has a potential of 160 v with respect to ground defined to be at v 0 and has a charge of
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of -1.0799 N when separated by 50 cm, center-to-center. What were the initial charges on the spheres
A tortoise can run with a speed of 9.0 cm/s, and a hare canrun 20 times as fast. in a race, how long does the race take
question the hobby-eberly telescope in fort davis texas is the largest optical telescope in north america. the primary
A car is moving along the roller coaster. Determine the minimum velocity the car has to move without falling the ground r=2.7m
You are playing football and pass the ball to your receiver who is 15 meter away. You throw it upward at an angle of 65 degree and the receiver catches it at the top of their jump. Find how fast must the ball be thrown
2kg of an ideal argon gas has been compressed irreversibly from an equilibrium state 1 where p1 2bar and v1 3m3 to an
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