Questions 1-4: A 2-kg mass is moving in a circularpath on the end of a 0.50-m string. The mass movesin a horizontal circle with a speed of 4.0 m/s.A. 0.50m12.0kga, 3. In the position shown in the diagram, theacceleration of the mass is directed towardspointABD

Answered: Questions 1-4: A 2-kg mass is moving in…

College Physics

11th Edition

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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3. In the position shown in the diagram, the
acceleration of the mass is directed towards
point
A
B
D

Expert Solution

Step 1

When a particle moves in a circle of radius r with a constant speed v, its acceleration is $\frac{v^{2}}{r}$ directed towards the center. This acceleration is called centripetal acceleration.

Though the speed is constant, the direction continuously changes, and thus there is an acceleration during the motion.

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