A pilot wants to fly on a bearing of 65.3 degrees. By flying due east, he finds that a 50-mph wind, blowing from the south, puts him on course. Find the airspeed and the groundspeed of the plane.

Determine the moment of the force f about an axis extending between a and c. express the result as a cartesian vector. a is at the origin, c is at (4,3,0) and f = (4i + 12j -3k) lb coming out of b (4,3,-2).

Resistivity of a material is the resistance of a cm long sample of the material of 1 cm2 cross-sectional area.

Which of the following best describes the shape of earth's orbit? a. ellipticalb. circularc. spirald. figure eight