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A 6500-kg helicopter accelerates upward at 0.60 m/s while lifting a 1200-kg car. (a) What is the lift force exerted by the air on the rotors?

A 6500-kg helicopter accelerates upward at 0.60 m/s² while lifting a 1200-kg car.
(a) What is the lift force exerted by the air on the rotors? (b) What is the tension in the cable (ignore its mass) that connects the car to the helicopter?

I need the answer ASAP!! thanks
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answers_CH220310_5332_PHY.doc

F
/|\
|
|
|
Helicoptor(m1)
|
|T
|
\|/
CAR(m2)
m1= weight of helicopter
m2= weight of the car
m=m1+m2 = total weight of helicopter+car
a)
Let the lift force exerted by air on the rotors be F
mg is...

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