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A photon scatters with 0, 0016 nm wavelength from a free electron that is initially at rest. At what (photon) scattering angle does the recoiling electron have kinetic energy equal to the energy of scattered photon?
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles, What is the force between the two alpha particles when they are 5.20 10-15 m apart
Calculate how much time it takes for the bus to slow down from 19.0 m/s to a complete stop.
the 500m short track speed skating olympic world record is 39937sec held by american jr celski. calculate jrs average
For what kick angles will the ball clear the goal posts? What is the closest a ball can land beyond the goal post for a made field goal?
A commuter backs her car out of her garage with a constant acceleration of 1.60 m/s2. If she then brakes to a stop in 0.8 s, what is her (constant) deceleration
A turntable reaches an angular speed of 45.0 rpm, in 1.9 s, starting from rest. How many revolutions does the turntable make during this time interval
A horizontal spring, resting on a frictionless tabletop, is stretched 12cm from its unscratched configuration and a 1.00-kg mass is attached to it. How does its final potential energy compare to its initial potential energy
An astronaut exploring a distant solar systems lands on an unnamed planet with a radius of 3900 kilometer. evaluate what is the mass of the planet
Water waves travelling toward a boundary where the depth changes will be partially reflected and partially transmitted at the boundary. What two factors will make the amount of partial reflection that occurs more noticeable?
A 3.00- length of copper wire at 20 has a 1.20--long section with diameter 1.8 and a 1.80--long section with diameter 0.90 . There is a current of 2.5 in the 1.8 -diameter section. What is the current in the 0.90 -diameter section? What is the magnit..
If the electric charge did not exist and electrons were bound to protons by the gravitational force to form hydrogen, derive the corresponding expressions for ao and En and compute the energy and frequency of the light emitted in the n=2 to n=1 tr..
A capacitor C is charged up to a potential V and connected to an inductor L and a resitor R (in series). Find the current in the circuit as a function of time
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