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Q. A rectangular container measuring 24 cm 48 cm 55 cm is filled with water. What is the mass of this volume of water in kilograms?

Q. 5000 kg helicopter accelerates upward at 0.50 m/s^2 while liftinga 2000kg car.

A. what is the lift orce exerted on the air by the rotors?

B. what is the tension in the cable (ignore its mass) that connects the car to the helicopter?

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