Question Number 171906 by ali009 last updated on 23/Jun/22
$${a}\:{fource}\:{f}\:{facts}\:{on}\:{a}\:{body}\:{of}\:{mass} \\ $$$$\left({t}+\mathrm{2}\right){kg}\:{and}\:{it}'{s}\:{momentum}\:{was} \\ $$$$\left({t}^{\mathrm{2}} +\mathrm{6}{t}+\mathrm{8}\right)\:{kg}\:.\:{m}/\:{sec} \\ $$$$\:{what}\:{is}\:{the}\:{average}\:{power}\:{in}\:{the} \\ $$$${first}\:\mathrm{3}\:{seconds} \\ $$