Physics, 07.03.2020 00:12 jandrew8007
Two pucks of equal mass collide. One puck (puck A) is stationary before the collision. After the collision the puck that was initially stationary moves along in the same direction in which the puck that hit it (puck B) was initially moving. Which of the following statements is correct if the total energy of the system is conserved during the collision (elastic collision)?A. The puck B rebounds. B. There isn’t enough information to answer the question. C. Both pucks slide past the point of collision. D. The puck B remains at the point of collision.
Answers: 1
Physics, 22.06.2019 07:00
Oxygen and hydrogen gas are at the same temperature t.what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.
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Physics, 22.06.2019 13:30
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
Physics, 23.06.2019 05:30
Herman is walking his pet fish, leo , back and forth along the canal. suppose the canal is 30 meters long and he goes up and back 25 times. a) what distance has herman walked?
Answers: 3
Two pucks of equal mass collide. One puck (puck A) is stationary before the collision. After the col...
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