Question

A 65 kg student climbs 7 m up a rope at a constant speed. If the students power to output is 300 w, how long does it take the student to climb the rope

Answer 1

g≈10 m/s²

F=G=mg=65*10=650 N

L=F*h=650*7=4550 J

P=L/t=>t=L/P=4550/300=15.16 s