Physics, 04.07.2019 23:20 makaylashrout77
An observer on earths sees spaceship 1 fly at 0.80c. 9 years later according to the observer on earth, spaceship 2 flies by earth at 0.80c, traveling in the same direction as the first. both spaceships continue to travel with constant velocities.
1) an observer in spaceship 1 observes earth to pass spaceship 2 years after earth passed spaceship 1.
a)7.2
b)10
c)12
d)15
e)20
an observer in spaceship 1 observes spaceship 2 to be light-years away.
a)7.2
b)10
c)12
d)16
e)20
Answers: 2
Physics, 22.06.2019 12:10, aedelfrance9250
Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)
Answers: 1
An observer on earths sees spaceship 1 fly at 0.80c. 9 years later according to the observer on eart...
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