Physics, 23.10.2019 18:00 mistycascaden
Two identical pendulums have the same period when measured in the factory. while one pendulum swings on earth, the other is taken on a spaceship traveling at 95% the speed of light. assume that both pendulums operate under the influence of the same net force and swing through the same angle. when observed from earth, how many oscillations does the pendulum on the spaceship undergo compared to the pendulum on earth in a given time interval? - more oscillations - fewer oscillations - the same number of oscillations
Answers: 3
Physics, 21.06.2019 22:30, nolandh7940
The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
Answers: 1
Physics, 22.06.2019 11:00, vanvalenpeyt
The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space. b. we'll know it immediately because it will be brighter than the full moon in the sky. c. we won't know about it until 600 years from now. d. none of the above.
Answers: 3
Physics, 22.06.2019 13:40, crayons18
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
Two identical pendulums have the same period when measured in the factory. while one pendulum swings...
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