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Two airplanes taxi as they approach the terminal. Plane 1 taxis with a speed of 12.5 m/s due north. Plane 2 taxis with a speed of 6.9 m/s in a direction 18.5° north of west.
(a) What are the direction and magnitude of the velocity of plane 1 relative to plane 2?
What is the Degrees? ° north of east
What is the Magnitude in m/s
(b) What are the direction and magnitude of the velocity of plane 2 relative to plane 1?
What is the Degrees?° south of west
What is the magnitude in m/s
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At 25 degree C the heat of fusion of Al is 10.6 kJ/mol and the heat of sublimation is 326.4 kJ/mol. What is the heat of vaporization of Al at 25 degree C.
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