Question

0.5/1 points Previous Answers Buy Notes Ask Your Teacher A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The ting force does work in raising the helicopter. An 750 kg helicopter rises from rest to speed of 7.3 m/s in a time of 3.6 s. During this time it climbs to a height of 8.9 m. What is the average power generated by the lifting force? P - 14200 XW B Go Tutorial Adre Section 6.7

Answer 1

Criven mass of helicopter = 750 kg final Velocity (vt ) = 7.3 m/s fine height Iht) = 8.9m Initial velocity (vi) - om sec total time taken to gain the Speed of 7.3 m/s from om's is = 3.68ec

we know that average power 18) Whe Wine - (1 m uge 1 muc) + 1 mg ng-right) Harper 8 = (a mosh ) + (right -mg ha) t s here vo=o u I given X 54 240 1931 ] ***** (1920) & 750xG.8 3.6 611 83.75 + 3.6 1 65 815 85 398.75 3 .6 ř = 23721 - 875 w Ang.