The biometric height at the base of a mountain is 75cmHg while at the top of the mountain is 68cmHg. if the density of mercury is 13.6g/cm3 and that of air is 1.25kg/m3 .calculate the height of the mountain

Which seasons are the northern and southern hemispheres experiencing in the image? it is summer in both the northern and southern hemispheres. it is summer in the northern hemisphere and winter in the southern hemisphere. it is winter in both the northern and southern hemispheres. it is winter in the northern hemisphere and summer in the southern hemisphere.

Anybody wanna ? (picture included? )

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?