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Physics 8 Online
OpenStudy (anonymous):

You and your friend are traveling on a spacecraft which moves with respect to the stars at close to the speed of light. Compared to the situation when you were both on Earth, you will observe the following: a. Your friend's mass would increase b. Your friend's heart rate will increase c. Both ( a) and (b) will happen simultaneously d. Neither (a) nor (b) will happen

OpenStudy (kainui):

What do you think?

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