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A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.06 nm. It then gives off a photon having a wavelength of 2170 nm. What is the final state of the hydrogen atom?
Planet Z is 1.00×104km in diameter. The free-fall acceleration on Planet Z is 10.0m/s2. What is the mass of Planet Z
What is the magnitude of the acceleration of the speck of clay on the edge of a potter's wheel turning at 50 (revolutions per minute) if the wheel's diameter is 38.0 cm.
A skier of mass 80 kg starts from rest and slides down a frictionless slope of length 35 m that is inclined at an angle of 30 degrees with the horizontal. Calculate the work done by gravity on the skier, and the work done by the normal force on the..
While a force of 6.0 N is applied, pulling the spring to the right, the elongation of the spring is 0.030m from its equilibrium position. What is the force constant of the spring
The planet Neptune has a satellite, Proteus, which travels in an orbit 1.180*10^8 m with a period of 1.12 days. Calculate the mass of Neptune
A student at another university repeats the experiment you did in lab. Her target ball is 0.860 m above the floor when it is in the target holder, What is the kinetic energy (in joules) of the target ball just after it is struck
What is velocity of insect after it has accelerated
Consider Iron asteroid (density 7900 kg/m^3) shaped like a cylinder 5.0 km long and 3.0 km in diameter, How much fuel is required to spin up the asteroid
if a river flows due east at 1.68m/s. a boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 13.40m/s due north relative to the water. if the river is 178m wide, how far downstream is the boat when i..
he boat continues for an additional 5.90 s with an acceleration of +0.518 m/s2. Following this, the boat accelerates at -1.49 m/s2 for 8.05 s. What is the velocity of the boat at t = 21.35 s? Find out the total displacement of the boat?
The incident electron loses energy The incident electron emits an x-ray.
Skater A, with unknown mass and unknown initial speed, bumps into stationary Skater B, mass 60.0 kg. What was the mass and initial speed of Skater A
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