power = work/time = force*distance/time
= (40*9.8N)*(30*0.150m)/6s = 1764/6 N-m/s = 294W
A body whose mass is 40kg runs up a flight of 30steps each 150mm high in 6seconds find the average power developed (take g=10m./5)
2 answers
where did the 9.8 come from