Radiation that is redshifted has the peaks of its waves with
a. more energy
b. farther apart...
Physics, 27.11.2020 23:00 ysabel0420
Radiation that is redshifted has the peaks of its waves with
a. more energy
b. farther apart
c. closer together
d. both closer together and with more energy
Answers: 2
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In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
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Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
Answers: 1
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