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A hydrogen atom in the n= 2 state absorbs a photon with wavelength 486nm.
Find the change in the atom's total energy.
Find the change in the atom's potential energy.
Find the change in the orbiting electron's kinetic energy.
A modern sculpture has a large horizontal spring, with a spring constant of 276 N/m, that is attached to a 49.0-kg piece of uniform metal at its end, By how much has the spring stretched in meters
A uranium and iron atom reside a distance R = 43.90 nm apart. The uranium atom is singly ionized; What is the magnitude of the force on the electron from the uranium ion
A Heliun-Neon laser illuminates a narrow, single slit that is 1850 nm wide. Determine the wavelength of the light from the laser
On a warm summer day (29?C), it takes 4.50s for an echo to return from a cliff across a lake. What is the temperature on the winter day
A 2.00-m tall basketball player is standing on the floor 10.0 m from the basket. If he shoots the ball at a 40 degree angle from the horizontal, at what initial speed must he throw the ball so that it goes through the basket without striking the b..
The warm source of a Carnot cycle consists of a blast furnace operating at a temperature of 150C, calculate the net heat absorbed from the warm source
Two metal spheres, each of mass 20 g and initially at rest, are dropped from a height of 10 m in an evacuated chamber. Find the difference in final speeds of the two spheres
Unpolarized light of intensity I0 is incident on three polarizing filters. What light intensity emerges from the third filter
An electron is 0.030 m from a proton and has velocity 10 m/s towards the proton. What is the speed of the electron
A rocket rises vertically, from rest, with an acceleration of 4.0m/s2 until it runs out of fuel at an altitude of 1400m. After this point, What maximum altitude does the rocket reach
A 70.0kg archer, standing on frictionless ice, shoots a 200g arrow at a speed of 200m/s. What is the recoil speed of the archer
a block of mass 2.5 kg is placed at a distance d=0.300 m from the spring. from this posistion the block is projected toward the spring with a speed v
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