1. An airplane is flying north at 325 m/s, and encounters a wind from the east at 55 m/s. What is the resultant velocity?
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Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

What is the name for the remnant of an asymptotic giant that has lost its shells? black dwarf white dwarf yellow giant black hole

What is the difference between mass density and weight density?