A rocket ship flies past the earth at 90.0 \\% of the speed of light. If his hei

Question

A rocket ship flies past the earth at 90.0 % of the speed of light. If his height is measured to be 1.97 m by his doctor inside the ship, what height would a person watching this from earth measure for his height? If the earth-based person had measured 1.97 m what would the doctor in the spaceship have measured for the astronaut's height? Is this a reasonable height? Suppose the astronaut in part (a) gets up after the examination and stands with his body perpendicular to the direction of motion. What would the doctor in the rocket and the observer on earth measure for his height now?

Explanation / Answer

For your fourth question, the observer is perpendicular to the Direction of Motion, so the height stays the same at 1.97m.

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