10. The diagram shows a mercury manometer connected to a gas container. The density of mercury is 13 600 kg/m3 The gravitational field strength g is 10 N/kg. What is
the pressure difference between the gas in the container and the atmosphere?
A 27 200 Pa
B. 40 800 Pa
C 54 400 Pa
D. 81 600Pa

force is mass*acceleration.

we have a very small mass: 11.4*0.001 kg

if we want 0.035n of force, we need an acceleration:

0.035 = 11.4*0.001*a

a = 0.035/(11.4*0.001) m/s^2

the part of the wave he is travelling on is the crest

hi there!

out of the two, (b) precision would be more reasonable.   however, both a and b could be pretty reasonable.

-awesomerepublic   : )

i'm on my way to history not a mistory.