In its own frame of reference, an object has a mass of 12.3 kg.
If it moves past you at a speed of 0.81c, what is its mass
as you observe it?
a. 20.97 kg
b. 35.77 kg
c. 28.22
d. 64.74 kg
In its own frame of reference, an object has a mass of 12.3 kg. If it moves past you at a speed of 0.81c, what is its ma
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answerhappygod
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In its own frame of reference, an object has a mass of 12.3 kg. If it moves past you at a speed of 0.81c, what is its ma
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