Planet A is 1.43 × 1012 m from Planet B in the solar system. A rocket travels from Planet B to Planet A at a constant speed of 0.9c relative to the solar system. How long does the journey take: a) as measured by an experimenter on Earth? b) as measured by an astronaut on the rocket?

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A:

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A:

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A: in this question  we use simple space motion equation  and get answer.

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A: Yes

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A: See below

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A:

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A: It is given that,

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A:

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A:

Q: Sam flies past earth at 0.75c. As he goes by, he fires a bullet forward at 0.75c. Suzy, on the…

A: To determine,the bullet’s speed(u).given,Speed of sam(v)=0.75cspeed of bullet(u')=0.75c

Q: he period of a pendulum is measured to be 3.00 s in the inertial frame of the pendulum at Earth's…

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A:

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A: