A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter. An 740-kg helicopter rises from rest to a speed of 7.6 m/s in a time of 3.1 s. During this time it climbs to a height of 8.6 m. What is the average power generated by the lifting force?
1 answer
power=work/time=mgh/time +finalKE/time
2 answers