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8.09e-17J = (1/2)(9.1e-31kg)v^2

Guest Apr 12, 2017
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Solve for v:
8.09×10^-17 = 4.55×10^-31 v^2

8.09×10^-17 = 4.55×10^-31 v^2 is equivalent to 4.55×10^-31 v^2 = 8.09×10^-17:
4.55×10^-31 v^2 = 8.09×10^-17

Multiply both sides by 2197802197802197697429956984832:
v^2 = 177802197802197

Take the square root of both sides:
Answer: | v = sqrt(177802197802197) or v = -sqrt(177802197802197) = ± 1.33342×10^7 m/s.

Guest Apr 12, 2017

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