ball moves in a circular trajectory. At a certain instance, the velocity and the acceleration vectors of the ball are directed as shown in the figure below. /hat can be said about the speed of the ball at this instance? O The speed is decreasing (ball is slowing down) O The situation shown in the figure is impossible because the acceleration must be perpendicular to the velocity in any circular motion O The speed is increasing (ball is speeding up) O The speed remains constant, because the ball is moving along a circular trajectory

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A ball moves in a circular trajectory. At a certain instance, the velocity and the acceleration vectors of the ball are directed as shown in the figure below.
a
What can be said about the speed of the ball at this instance?
O The speed is decreasing (ball is slowing down)
O The situation shown in the figure is impossible because the acceleration must be perpendicular to the velocity in any circular motion
O The speed is increasing (ball is speeding up)
O The speed remains constant, because the ball is moving along a circular trajectory
Transcribed Image Text:A ball moves in a circular trajectory. At a certain instance, the velocity and the acceleration vectors of the ball are directed as shown in the figure below. a What can be said about the speed of the ball at this instance? O The speed is decreasing (ball is slowing down) O The situation shown in the figure is impossible because the acceleration must be perpendicular to the velocity in any circular motion O The speed is increasing (ball is speeding up) O The speed remains constant, because the ball is moving along a circular trajectory
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