A barometer kept in an alevator ac celerating upward reads 76 cm of mrecury. If the
Channel: Doubtnut
Date: 2020-08-16

A barometer kept in an alevator ac celerating upward reads 76 cm of mrecury. If the elevator is ac celerating upwards at `4.5ms^(-2)` find the air pressure in the elevator in cm of mercury. Density of mercuty ` =13.6 xx 10^3 kg m^(-3) G = 9.8 m//s^2`