Question

A ball is rolled uphill a distance of 5 m before it slows, stops, and begins to roll back. The ball rolls downhill 9 m before coming to rest against a tree. What is the magnitude of the balls displacement?
A. 4 meters
B. 9 meters
C. 14 meters
D. 45 meters

Answer 1

Answer:

The magnitude of the ball displacement is 4 meters.

Explanation:

The displacement of the ball is de distance between the final position and the initial position of its movement measured in rect line.

The ball went 5 meters in one direction, it returned to the original place and followed 4 meters more in the same direction.