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August 30, 2014

August 30, 2014

Posted by **Brian** on Wednesday, December 12, 2012 at 9:30pm.

- Physics -
**drwls**, Wednesday, December 12, 2012 at 11:10pmTotal energy is

E(rest) + E(kin)

= m*c^2/sqrt[1 - (v/c)^2]

Calculate that at each speed and take the difference.

(a) m*c^2/sqrt[1 - .19^2]

- m*c^2/sqrt[1 - .18^2]

= m*c^2[1.01855 - 1.01660]

= m*c^2* 1.95*10^-3

- Physics -
**Brian**, Thursday, December 13, 2012 at 12:38amI got 1*10^-16 but what's the unit for my answer? Because the book says 1.0 ke V is the answer for part (a). How do I get there?

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