# How much power is needed to accelerate an object with a mass of 4 kg and a velocity of 8 m/s at a rate of 2 m/s^2?

Apr 1, 2016

$64 W$

#### Explanation:

$P = F V$
$F = m a$

Hence, $P = m a V$

$P = \left(4 k g\right) \left(8 m {s}^{-} 1\right) \left(2 m {s}^{-} 2\right) = 64 W$