Question

How much momentum does a 30. kg mass moving at20. m/s have?kgtm/s (Round to 2 significant figures)

Answer 1

Take into account that the momentun p is given by the following formula:

$p=mv$

where,

m: mass = 30kg

v: speed = 20 m/s

replace the previous values into the formula for p and simplify:

$p=(30kg)(20\frac{m}{s})=6\bar{0}0\operatorname{kg}\cdot\frac{m}{s}$

The previous result is the momentum.