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PHYSICS

PHYSICS

by Giriprasad Raghuraman -
Number of replies: 2
    You are sitting on a seat facing forward an aeroplane with its wings parallel to the ground. the window shades of the aeroplane are closed, and the vibration of the plane is negligible.When you place a ring on the end of a necklace chain and hold the other end in front of you, you notice that the chain and the ring hang vertically and point directly to the floor of the aeroplane. whatis true about the aeroplane

1. the aeroplane is at rest
2. the aeroplane is moving witha constant velocity
3. the aeroplane is increasing in speed
4. the aeroplane is decreasing in speed

cool