What is the energy equivalent of an object with a mass of 4.1 kg?
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Ответ:
E = mc^2
E = 4.1 kg (3x10^8 m/s)^2
E = 3.69x10^17 J
Ответ:
0 = -(x-2)^2 + 16
(x-2)^2 = 16
x-2 = 16
x-2 = 4
x = 6
This means the ball will hit the ground 6 seconds after Amir threw it.