Physics, 10.09.2019 17:20 heidiburgos1own6c0
Astarship travels to a planet that is 20 light years away. the astronauts stay on the planet for 2.0 years before returning at the same speed and they are greeted back on earth 52 years after they left. assume that the time needed to accelerate and decelerate is negligible. how much have the astronauts aged? (a) 15 years, (b) 20 years, (c) 22 years, (d) 30 years, (e) 32 years.
Answers: 2
Physics, 21.06.2019 17:10
An object is moving east, and it’s velocity changes from 65m/s to 25m/s in 10 seconds. which describes the acceleration?
Answers: 1
Physics, 22.06.2019 00:00
An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge
Answers: 2
Physics, 22.06.2019 04:30
Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
Answers: 3
Physics, 22.06.2019 12:30
What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight
Answers: 3
Astarship travels to a planet that is 20 light years away. the astronauts stay on the planet for 2.0...
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