OK so I tried using the complementary angle of 120, and then added the i (160 + 41cos120) and j (41sin60) components, then put each into the Pythagorean theorem
VPG=√(i-components2 + j-components2) = 143.9479, which is the right answer
I'm unsure as to why 120 was the right angle to use... o_O
Homework Statement
You are traveling on an airplane. The velocity of the plane with respect to the air is 160 m/s due east. The velocity of the air with respect to the ground is 41 m/s at an angle of 30° west of due north.
1) What is the speed of the plane with respect to the ground?
Homework...