Physics, 21.08.2019 02:20 madvitch6111
Aproton moves along the x-axis in the laboratory with velocity uy = 0.6c. an observer moves with a velocity of v=0.8c along the direction of motion of the proton. a. what is the total energy of the proton in the lab frame? b. what kinetic energy does the observer measure for the proton? c. what momentum (in units of mev/c) does the observer measure for the protons?
Answers: 2
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Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.
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On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?
Answers: 3
Aproton moves along the x-axis in the laboratory with velocity uy = 0.6c. an observer moves with a v...
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