Given the vectors A = 2.00iˆ + 6.00jˆ and B = 3.00iˆ + 2.00jˆ, a) draw the vector sum C = A + B and the vector difference D = A - B. B) Calculate C and D, first in terms of unit vectors and then in terms of polar coordinates, with angles measured with respect to the + x axis.

Abarometer contains mercury with a density of 13600 kg/m3. atmospheric conditions are 95.8 kpa and 20 °c at 20 °c, the vapor pressure of the mercury is 0.000173 kpa. the column of mercury will rise to a height of most nearly. select one: a)- 0.38 m b)- 0.82 m c)- 0.48 m d)- 0.72 m