1.

A barometer kept inan elevator accelerating downwards with acceleration Q . The most liekly pressure inside the elevator is ?

Answer»

Solution :The resultant ACCELERATION of elevator in downwards direction =g-a
`THEREFORE` The pressure in elevator `=hrho(g-a)`
`=(76xx13.6xx(g-a))/(13.6xxg)`
This pressure is GREATERTHAN the ATMOSPHERICPRESSURE 76 CM Hg .


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