A pilot flies with a heading of N 53o E, and its air speed is 154.8 miles/h. It is driven from its course by a wind of 396.4 miles/h and travelling S 14o E. Find the principle angle of the resultant.
Round the answer to 2 decimal places.
1
Expert's answer
2018-09-19T12:19:08-0400
R_x=v_x+u_x=154.8 cos53+396.4 cos14=477.8 mph. R_y=v_y+u_y=154.8 sin53-396.4 sin14=27.73 mph. The principle angle of the resultant is θ=tan^(-1)〖R_y/R_x 〗=tan^(-1)〖(27.73 )/477.8〗=N 3.32° E.
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