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

Answer:

D

Step-by-step explanation:

$k= \frac{1}{2}m  v^{2}$

If we cross multiply these,

we get,

$\frac{2k}{m} = v^{2}$

$m = \frac{2k}{v^{2} }$

So option D is satisfied.