Question
A rectangular billboard in space has the dimensions 10 m 20 m. How fast, and in what direction with respect to the billboard, would a
A rectangular billboard in space has the dimensions 10 m 20 m. How fast, and in what direction with respect to the billboard, would a space traveller have to pass for the billboard to appear square?
a)The space traveller would have to travel at 0.5c in a direction parallel to the shorter side of the board.
b)The space traveller would have to travel at 0.87c in a direction parallel to the shorter side of the board.
c)The space traveller would have to travel at 0.5c in a direction parallel to the longer side of the board.
d)The space traveller would have to travel at 0.87c in a direction parallel to the longer side of the board.
e)The space traveller would have to travel at 0.5c in any direction.
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Fundamentals of Physics
Authors: Jearl Walker, Halliday Resnick
8th Extended edition
471758019, 978-0471758013
