Physics

Physics, 10.07.2019 03:30, emilie3849

Two spaceships approach the earth from opposite directions. according to an observer on the earth, ship a is moving at a speed of 0.753c and ship b at a speed of 0.851c. what is the velocity of ship a as observed from ship b

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Physics, 14.07.2019 01:10, jholland03

Two spaceships pass one another in opposite directions a a relative speed of 0.8c. an observer in spaceship 1 measures the length of spaceship 2 to be three fifths the length of her own ship. a) what is the ratio of the rest lengths of the two spaceships? b) what will an observer in spaceship 2 determine as the length of spaceship 1?

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Physics, 05.10.2019 07:30, orlando19882000

Lorentz transformation (cf. probs. 1.6.19+21 in textbook) an observer standing on earth observes spaceship travel (a) two spaceships are heading in the same direction toward earth, one at vi-0.95c and the other one at v2-0.85c relative to earth. what is the speed of spaceship- 1 as seen from the captain in spaceship-2? (b) two other spaceships are heading toward earth from opposite directions, at speeds of vz-0.8c and va-0.9c relative to earth. what is the speed of spaceship- 4 as seen from the captain in spaceship-3? (c) if spaceship-1 is 0.3ly (1 ly-1 lightyear, the distance light travels in one year) away from earth, how much older (in seconds) will be: (i) the observer, and (ii) the captain, once the spaceship has landed on earth?

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