A car moves from the point (3.0 m)^x + (5.0 m)^y to the point (8.0 m)^x - (7.0 m)^y in 2.0 s. What is the magnitude of the average velocity of the car? A)6.5 m/s B)13 m/s C)9.0 m/s D)4.5 m/s E)3.3 m/s

Question

Quizplus · Accepted Answer

The displacement vector is (8.0 - 3.0) m in the x-direction and (-7.0 - 5.0) m in the y-direction, which is (5.0 m, -12.0 m). The magnitude of this displacement is √(5.0² + (-12.0)²) = 13 m. The average velocity is displacement/time = 13 m / 2.0 s = 6.5 m/s.

A Car Moves from the Point (3