The diagram below shows a mercury manometer. Some dry gas is present in the closed space in limb A, while limb B is open. If
atmospheric pressure P, = 100 000 Nm, h = 20 mm and density of
mercury is 13 600 kgm”, determine pressure P, of the gas in mmHg/
(Take g = 10 Nkg-')
Gas
Pa
h
А
B
Mercury​

hi there!

your question asks at which segment does freezing occur.

since we're talking about water, the freezing point of water will be 32 degrees fahrenheit or below.

hope this ! ~

less than one you can't create energy

see the picture for the vector

the magnitude of the vector by pythagorean theorem

r = √( (-10)^2 + (3)^2 ) = √109

magnitude = √109 units

the direction angle between vector and x-axis is

tan^(-1)(3/10) = 16.699

so the direction is approximately 16.7 degrees north of west