Question

Solve k = 1/2 mv^2 for m.

hint: ^ = power

A) m = 2k/v

B) m = 2v/k

C) m = k/v^2

D) m = 2k/v^2

Answer 1

D

Explanation:

`k= (1)/(2)m  v^(2)`

If we cross multiply these,

we get,

`(2k)/(m) = v^(2)`

`m = (2k)/(v^(2) )`

So option D is satisfied.