The "Standard Atmosphere" is 760 mm Hg .
2.13 times that pressure is (2.13 x 760) = 1,618.8 mm Hg.
Answer with explanation:
The given vectors in are reduced to their componednt form as shown
For vector A it can be written as

Similarly vector B can be written as

Hence The sum and difference is calculated as

The direction is given by
with positive x axis.
Similarly

The direction is given by
with positive x axis.
Answer:
100 J
Explanation:
The potential energy is given by the formula ...
PE = mgh
= (2 kg)(10 m/s^2)(5 m) = 100 J
Answer:
a cold air mass and a warm air mass merge together