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A 80 keV X-ray undergoes a compton scattering with an electron of tungsten and ejects this electron with energy 15eV. What is the energy of the scattered X-ray?
A rectangular air mattress is 2.2m long, 0.57 m wide, and 0.07 m thick. If it has a mass of 2.0 kg, what additional mass can it support in water
A child exerts a tangential 47.6 {N} force on the rim of a disk-shaped merry-go-round with a radius of 2.10 {m}. If merry-go-round starts at rest and acquires the angular speed of 0.080 {rev/s} in 3 {s}, what is its mass.
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. Determine the period of the wood pendulum
two 2.0 kg plastic garbage cans are sitting 2.6 meters apart on a sticky classroom floor coefficient of static friction
An electron moving at a speed of 0.68c collides head on with a positron alsomoving at 0.68c. Determine the energy and momentum of each photon
a gas is confined in a cylinder with a piston. what happens when work is done on the gas?a container of gas is at a
A cube of wood having an edge dimension of 22.0 cm and a density of 650 kg/m3 floats on water. What is the distance from the horizontal top surface of the cube to the water level?
Estimate the gravitational force between the Sun and Venus. The mass of the Sun is 1.99×10^30 kg. The mass of Venus is 48.7×10^23 kg. The distance between them is 10.8×10^10 m.
in a newtons rings demonstration using 540-nm light the distance from the center of the rings to the first bright ring
The mass of the sun is 1.99 X 10^30 kg and its distance from Earth is 150 million kilometers (150 x 10^9 meters). What is the gravitational force between the sun and Earth?
A 30 microF capacitor and a 5.45 miliH inductor are connected in series with an open switch. What is the angular frequency of the charge oscillations in the capacitor
At room temperature what is the strength of the electric field in a 6-gauge copper wire (diameter 4.12 mm) that is needed to cause a 1.73-A current to flow?
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