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The ground-state energy of a harmonic oscillator is 5.60eV. If the oscillator undergoes a transition from its n = 3 to n = 2 level by emitting a photon, what is the wavelength of the photon?
A 0.420 kg ice puck, moving east with a speed of 3.12 m/s, has a head-on collision with a 0.890 kg puck initially at rest. Assuming a perfectly elastic collision, What is the speed of the heavier puck
a person of mass 50 kg rides in a ferris wheel of radius 20 m. the ferris wheel completes a rotation once every 10
A 3gm bullet with a speed of 300m/sec is fired on a 400gm block initially at rest. The bullet passes through the block and as a result the block begins to move with a speed of 1.5m/sec in the original direction of the bullet. Find the speed of the..
If an atom has 104 electrons, 157 neutrons, and 104 protons, evaluate what is the approximate mass? Find what is the name of this element
betty weighs 433 n and she is sitting on a playground swing seat that hangs 0.36 m above the ground. tom pulls the
two friends are playing a version of proton golf where the hole is marked by a single proton. the first friend reads
The output from a one curie Co60 source is 1.25 R/hr at one meter. What is the radiation intensity at three meters from a 4 Curie source
a what is the strength of the electric field 4.0 cm from a small glass bead that has been charged to 8.0 nc?b what is
a contact lens is made of plastic with an index of refraction of 1.58. the lens has an outer radius of curvature of
Your company makes anemometers and plans to install light bulbs on them for high wind warnings. calculate the number of turns in the coil wire needed to light the bulb
the crate shown is held against wedge b by a spring. the spring is 96.0 of its original uncompressed length l2.75m and
Compare this forcewith the force exerted on the human by the earth.
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