Asked by Amy
What is the speed of a proton whose kinetic energy is 36.0 MeV?
I don’t know if I did my calculations right but V^2 I got 6.89 *10^15, how do I get V on its own? I square rooted and got 2.62 *10^15 but that’s not correct. Answer is supposed to be 8.31 * 10^7 m/S.
I don’t know if I did my calculations right but V^2 I got 6.89 *10^15, how do I get V on its own? I square rooted and got 2.62 *10^15 but that’s not correct. Answer is supposed to be 8.31 * 10^7 m/S.
Answers
Answered by
Anonymous
(1/2)m v^2 = Kinetic energy
if 6.89 *10^15 were correct for v^2
then you need an even n in 10^n to take the square root
for example
68.9 * 10^14
that would give you 8.3 * 10^7
sqrt z^n = z^(n/2)
like sqrt 10,000 = 100
is
sqrt 10^4 = 10^2
if 6.89 *10^15 were correct for v^2
then you need an even n in 10^n to take the square root
for example
68.9 * 10^14
that would give you 8.3 * 10^7
sqrt z^n = z^(n/2)
like sqrt 10,000 = 100
is
sqrt 10^4 = 10^2
Answered by
Anonymous
.... but you knew that, right ? :)
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