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31. A small spherical object of mass, m, falls from rest in a fluid in which the viscous drag is kv per unit mass, where v is the speed of the object at time t and k is a constant. Which of the following statements is/are correct? 1 The maximum speed attained by the object is 2 The acceleration of the sphere is zero when v is maximum. 3 When the acceleration of the sphere becomes zero, it comes to momentary rest.

31. A small spherical object of mass, m, falls from rest in a fluid in which the viscous drag is kv per unit mass, where v is the speed of the object at time t and k is a constant. Which of the following statements is/are correct? 1 The maximum speed attained by the object is 2 The acceleration of the sphere is zero when v is maximum. 3 When the acceleration of the sphere becomes zero, it comes to momentary rest.

College Physics
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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31. A small spherical object of mass, m, falls from rest in a fluid in which the viscous drag is kv per unit mass, where v is the speed of the object at time t and k is a constant. Which of the following statements is/are correct? 1 The maximum speed attained by the object is 2 The acceleration of the sphere is zero when v is maximum. 3 When the acceleration of the sphere becomes zero, it comes to momentary rest.
Transcribed Image Text:31. A small spherical object of mass, m, falls from rest in a fluid in which the viscous drag is kv per unit mass, where v is the speed of the object at time t and k is a constant. Which of the following statements is/are correct? 1 The maximum speed attained by the object is 2 The acceleration of the sphere is zero when v is maximum. 3 When the acceleration of the sphere becomes zero, it comes to momentary rest.
Directions summarised C D 1 and 2 only 2 and 3 only 1 enly 3 only
Transcribed Image Text:Directions summarised C D 1 and 2 only 2 and 3 only 1 enly 3 only
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