Classical Mechanics-Dynamical System (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 6 - 7 of 7

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Question number: 6

» Classical Mechanics » Dynamical System

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Appeared in Year: 2016

MCQ▾

Question

A ball of mass , initially at rest, is dropped from a height of meters. If the coefficient of restitution is , the speed of the ball just before it hits the floor the second time is approximately – (take ) (June)

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 7

» Classical Mechanics » Dynamical System

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Appeared in Year: 2016

MCQ▾

Question

A ball of mass is dropped from a tall building will zero initial velocity. In addition to gravity, the ball experiences a damping force of the form , where is its instantaneous velocity and is a constant. Given the values , and , the distance travelled (in meters) in time in seconds, is: (December)

Choices

Choice (4)Response

a.

b.

c.

d.

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