In one observation, the column in a mercury barometer (as is shown in the figure) has a measured height h of 746.50 mm. The temperature is -5.0°C, at which temperature the density of mercury p is 1.3608 x 104 kg/m³. The free-fall acceleration g at the site of the barometer is 9.7835 m/s².what is the atmospheric pressure at that site in torr (which is the common unit for barometer readings)? p=0- Level 2 Po Level 1

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Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.