A runner on a rectangular track is recorded by a GPS device moving with instantaneous…

PHYSICS · Multi-part · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

A runner on a rectangular track is recorded by a GPS device moving with instantaneous velocity components vx=−18.0 m/sv_x = -18.0\,\text{m/s} and vy=+5.00 m/sv_y = +5.00\,\text{m/s}, where +x+x is east and +y+y is north. (a) Determine the runner’s speed. (b) Calculate the direction of the velocity vector as an angle measured north of west. Report the angle to three significant figures.

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