To an observer in a fast-moving spaceship, the clocks of a person at rest appear

Question

To an observer in a fast-moving spaceship, the clocks of a person at rest appear to run fast. To an observer at rest, a fast-moving spaceship appears to possess more inertia than when it's at rest. To an observer at rest, the clocks of a fast-moving spaceship appear to run slow. To an observer at rest, a fast-moving spaceship (moving from left to right) appears to be horizontally wider than when it's at rest. To an observer at rest, a person in a fast-moving spaceship appears to age slower. To an observer at rest, a fast-moving spaceship (moving from left to right) appears to be vertically shorter than when it's at rest.

Explanation / Answer

L = Lo * sqrt( 1 - v^2/c^2)
t = to/sqrt(1 - v^2/c^2)

Flase.
True. (There is an increase in mass.)
True . ( Due to time dilation)
False. (No It will appear Shorter.)
True. (Due to time dilation.)
False. ( No Vertical effect )

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