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Tamiku [17]
3 years ago
7

How many joules of energy are required to accelerate a 1.0-kg mass from rest to a speed of 86.6% the speed of light?

Physics
1 answer:
deff fn [24]3 years ago
4 0
KE = ½m*v² = ½*1.0*[0.866*3E8]² = 3.375E16 J 

<span>Etot = mc²/√[1 - (v/c)²] = 1.8E17 J</span>
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