Just need the formula for total energy in terms of m and v

timer Asked: Jul 21st, 2014
account_balance_wallet $5

Question Description

my answer: mv^2 / 2 + GMm/r

feedback: It appears that there may be a sign error associated with at least one term in your expression. Your answer is very close unfortunately there are additional terms in your equation that are not necessary.

Tutor Answer

School: Duke University

You're answer should look similar to this outline
E= KE + PE
E = (1/2)mC^(2) + mgz
Power = E/t
Total energy=Potential energy+Kinetic energy E Total = [1/2(mv2)]  - (GMm/r)
Notice the minus sign within the final equation

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Thanks, good work

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