Question

A jet airplane travelling at the speed of 400 km h
–1 ejects its products of combustion at the
speed of 1200 km h
–1 relative to the jet plane. What is the speed of the latter with respect to an
observer on the ground ?

Answer 1

Explanation:

Kinematics is the branch of classical mechanics that describes the motion of points, objects and systems of groups of objects, without reference to the causes of motion (i.e., forces ). The study of kinematics is often referred to as the “geometry of motion.”

Answer 2

Answer:

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