A U-tube manometer employs mercury having specific gravity of 13.5. one side of the manometer is open to the standard atmospheric pressure of 30 in-Hg and the difference in column heights is measured as 10 mm when exposed to air source at 25°C. Calculate the pressure of the air source in Pascals.

An air traffic control tower radar operator locates a plane at a distance of 16.9 miles at a heading of 065° relative to the tower. Forty-five (45) seconds later, the operator locates the same plane at a distance of 19.1 miles at a heading of 073 Find the speed of the airplane and the heading along which it is traveling.

The force P of magnitude 50 KN is acting at 215° from the x-axis. Find the components of P in u 157° from x, and v negative 69°from x. (Draw the Figure)

A fox leaves its den and travels 575 yeards west, then 475 yards northwest. In what direction must the fox travel to head directly back to its den? Round your answer to the nearest hundreth. Enter N for North, E for East, W for West, and S for South.

What unit vector is in the same direction as v = 2i - 4j?

help with questions 55,56,57,58,59,60,61,62,and 63