Question

An aeroplane revolves in a circle above the surface
of the earth at a fixed height with speed 100 km/h
The change in velocity after completing 1/2 revolution
will be
(a) 200 km/hr
(b) 150 km/hr
(c) 300 km/hr
(d) 400 km/hr

Answer 1

Answer:

HERE IS YOUR ANSWER

A plane is revolving around the earth with speed of 100km/hr at a constant height from the surface of earth. The change in the velocity as it travels half-circle is: ans is 200km/hr.

Explanation:

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