Physics, 26.07.2019 12:00 jchavez0790
With relativistic speed two spaceships a and b are travelling from one space station to another one, for a total distance of 48 light-minutes. spaceship a travels 80 min in the space stations' reference frame. clocks on spaceship a indicate that spaceship b took 12 minutes longer. calculate the speed of spaceship a in the reference frame of spaceship b.
Answers: 1
Physics, 21.06.2019 17:00
Why is alternating current more effective at long–distance travel than direct current? a. the power lines are made out of conductors. b. transformers increase or decrease voltage as needed. c. the ac generator is more efficient. d. ac has lower voltage than dc.
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Physics, 22.06.2019 00:30
There are weak or strong attractive forces between atoms of liquids with a high viscosity
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Physics, 22.06.2019 16:30
In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.
Answers: 3
With relativistic speed two spaceships a and b are travelling from one space station to another one...
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