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An X-ray photon with a wavelength of 0.120 nm scatters off a free electron at rest. The scattered photon moves off at an angle of 125 dagrees relatice to its incident direction.
What is the kinetic energy of the scattered electron?
In a student experiment, a constant-volume gas thermometer is calibrated in dry ice (?78.5°C) and in boiling pentane (36.1°C). What pressure would be found at the boiling point of water
An object is placed to the left of a lens, and a real image is formed to the right of the lens. How far from the lens is the object
A spring oscillator is designed with a mass of 0.258 kg. It operates while immersed in a damping fluid, selected so that the oscillation amplitude will decrease to 1.00% of its initial value in 8.34 s
An archer shoots an arrow with a velocity of 48.0 m/s at an angle of 46.5° with the horizontal. What is the initial speed of the apple
An 800 g ball moves in a vertical circle on a 1.07-m-long string. If the speed at the top is 5-m/s, after that the speed at the bottom would be 8.18 m/s.
Objective questions based on kinematics.
Consider a 3.0 ball and a 5.4 ball in free fall. what is the net force acting on each
A beam of ultraviolet radiation, with frequency of 2.56×1015 Hz is directed at a clean metal surface. Calculate the maximum kinetic energy for an electron dislodged from the surface by the radiation
question1a uniform meter stick with a mass of 250g is maintained horizontally by two vertical strings one at 0.0-cm
An electric vehicle starts from rest and accelerates at a rate of 2 m/s2 in a straight line until it reaches a speed of 25.00 m/s. The vehicle then slows at a constant rate of 1.1 m/s2 until it stops. (1) How much time elapses from start to stop? ..
A handball is projected at an angle of 30 deg with the horizontal from a 20 m tower with an initial vertical velocity of 10 m/sec, find the Resultant velocity at landing
A sailboat sails 180 km west, then 210 km southeast, and then 280 km at 30° east of north. Find the magnitude and the direction of the last leg of the journey
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