A spacecraft travels from earth to planet YY at a speed v = 0.80c. Earth and planet YY are 0.24 x 10 12 m apart as measured by observer on Earth. i) From the frame of observer on Earth, how long does it take for the spacecraft to reach planet YY ii) In the spacecraft frame, how long does it take for the spacecraft to reach planet YY iii) Once reached planet YY, the astronaut sent a radio signal to earth, how long after the spacecraft started flying will an earth observer received the signal?
A spacecraft travels from earth to planet YY at a speed v = 0.80c. Earth and planet YY are 0.24 x 10 12 m apart as measured by observer on Earth. i) From the frame of observer on Earth, how long does it take for the spacecraft to reach planet YY ii) In the spacecraft frame, how long does it take for the spacecraft to reach planet YY iii) Once reached planet YY, the astronaut sent a radio signal to earth, how long after the spacecraft started flying will an earth observer received the signal?
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A spacecraft travels from earth to planet YY at a speed v = 0.80c. Earth and planet YY are 0.24 x 10 12 m apart as measured by observer on Earth.
i) From the frame of observer on Earth, how long does it take for the spacecraft to reach planet YY
ii) In the spacecraft frame, how long does it take for the spacecraft to reach planet YY
iii) Once reached planet YY, the astronaut sent a radio signal to earth, how long after the spacecraft started flying will an earth observer received the signal?
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