Question

A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter. An 850-kg helicopter rises from rest to a speed of 6.9 m/s in a time of 3.8 s. During this time it climbs to a height of 9.4 m. What is the average power generated by the lifting force?
bobpursley
power= work/time= (mgh+1/2 mv^2)/time
25930.59 watts

Related Questions

Starting from rest, a 2500 kg helicopter accelerates straight up at a constant 1.7 m/s2. What is th... An emergency team needs to be on the roof of the hospital 3 minutes before the helicopter arrives. I... A helicopter of mass 6000 kg accelerates upwards at a rate of 0.50 m/s^2 while lifting a 2500 kg pie...