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Question1

An airplane is flying with a velocity of 82.0 at an angle of 18.0 above horizontal. While the plane is a distance 122 directly above a dog that is standing on level ground, a suitcase drops out of luggage compartment.

Question2

A uniform disk of mass 13kg, thickness 0.5m and radius 0.2m is located at the origin, oriented with its axis along the y axis. It rotates clockwise around its axis when viewed from above. The disk makes one complete rotation every 0.6s. What is rotational angular momentum of the disk? What is rotational kinetic energy of the disk?

Question3

A spherical drop of water, 0.5 mm in diameter, is falling at a velocity of 2.15 m/s during dry still air at l-atm pressure. Estimation instantaneous rate of evaporation from drop if the drop surface is at 60°C and the air is at 100°C.

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