A spaceship has a rest mass of 620,000 tons. If you could measure its mass when it was traveling at half the speed of light, what would the value be?
Added by Carol F.
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In this case, m0 = 620,000 tons and v = 0.5c (half the speed of light). So we have: m = 620,000 / sqrt(1 - 0.5^2) = 1,240,000 tons Show more…
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