galaxy12 galaxy12

23-09-2016
Physics

contestada

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?

Respuesta :

Hussain514 Hussain514

05-10-2016

KE = ½m*v² = ½*1.0*[0.866*3E8]² = 3.375E16 J

Etot = mc²/√[1 - (v/c)²] = 1.8E17 J

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