Velocity is a vector quantity which has both magnitude and direction. using complete sentences, describe the object’s velocity during the course of the elliptical orbit. comment on both the magnitude and the direction
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Ответ:
1) See explanation below, 2) False.
Explanation:
1) The velocity of an object is equal to the instaneous rate of change of its position vector in time with respect to a reference point. Each component of the vector represents the rate of change of the position component in time.
2) An object moving in a circle at constant speed has a constant magnitude but a changing direction, meaning that velocity vector is not constant. Hence, the statement is FALSE.
Ответ:
mainline current
Explanation:
Current that flows from and back to the power supply in a parallel circuit. Fuse. A type of circuit protection device.