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MY NOTES

An astronaut is traveling in a spacecraft in outer space in a straight line at a constant speed of $0\mathrm{.}550$ c $.$ Which of the following effects would she experience? $($Select all that apply.$)$

She would feel heavier.

She would find it harder to breathe.

Her heart rate would change.

I Some of the dimensions of her spacecraft would be shorter.

None of those answers is correct.