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An electron is accelerated to a speed where its total energy is 229 times larger than its rest energy.
How many times is the kinetic energy of the electron larger than its rest energy?
What is the kinetic energy of the electron?
What is the speed of the electron in terms of the speed of light? (In this part of the problem you have to enter your answer with a precision of seven or eight digits!)
What is the momentum of the electron measured in MeV/c units? (Enter only a number without the MeV/c unit.)
A light ray is incident upon a plane interface between two materials. The ray makes an incident angle with the normal to the surface of 30 degrees in a material with index of refraction 1.3. what is the refracted angle (in degrees) in that material
In the figure below, the converging lens' focal length is 14.4 cm, d = 13.6 cm, and the diverging lens' focal length is -14.1 cm. Where is the image formed by the converging lens,
A ball of mass 0.100 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to reach a height of 0.800 m. What impulse was given to the ball by the floor
Find the work done by 2.96 moles of an ideal gas if its volume doubles at a constant temperature of 23.2°C
A 200 g block is pressed against a spring of force constant 1.40 kN/m until the block compresses the spring 10 cm. The spring rests at the bottom of a ramp inclined at 60.0 degrees to the horizontal.
a car moves at a constant speed on a strait but hilly road. One section has a crest and dip of the same 500 m diameter curve. what is the greatest speed at which the car can move without leaving the road at the top of the first crest
When she stands 3.5m from you, what is the height of her image formed on the retina of your eye, What is the height of her image when she is 4.5 m from you
A sled weighing 200 N is held in place by static friction on a 15? incline, What is the coefficient of static friction between the sled and the incline
50j of work are done per cycle on a refrigerator with a coefficient of performance of 5.0. Part A: How much heat is extracted from the cold reservoir per cycle
A listener increases his distance from a sound source by a factor of 3.05, what is the change in the sound intensity level in dB
A 0.504 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger, what is the initial acceleration of the metal cylinder
A block of mass 5 kg lies on a horizontal table. The block is at rest. The only forces acting on the block are the force due to gravity and the normal force from the table. What is the magnitude of the friction force
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