The average distance between the earth and the sun is defined as being one
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When a person is pulled upwards why the motor of the helicopter
Then the potential energy increased of the person is given as
here m = 109 kg
h = 83 m
so here potential energy of the person given as
now power is defined as rate of energy
so it took 55 s to pull the mass so power is given as
now we know that efficiency of motor is given as 69%
so we have
so we have power as