Kinematics-Position-Time Graphs (KVPY Stream-SA (Class 11) Physics): Questions 1 - 2 of 4

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Question number: 1

» Kinematics » Position-Time Graphs

Appeared in Year: 2013

MCQ▾

Question

A man inside a freely falling box throws a heavy ball towards a side wall. The ball keeps on bouncing between the opposite walls of the box. We neglect air resistance and friction. Which of the following figures depicts the motion of the centre of mass of the entire system (man, the ball and the box)?

Choices

Choice (4) Response

a.

 Figure represents motion of center of mass (Choice-A)

Figure Represents Motion of Center of Mass (Choice-A)

Figure represents the motion of mass of the system containing man, ball and box.

b.

Figure represents motion of center of mass (Choice-B)

Figure Represents Motion of Center of Mass (Choice-B)

Figure represents the motion of mass of the system containing man, ball and box.

c.

Figure represents motion of center of mass (Choice-C)

Figure Represents Motion of Center of Mass (Choice-C)

Figure represents the motion of mass of the system containing man, ball and box.

d.

Figure represents motion of center of mass (Choice-D)

Figure Represents Motion of Center of Mass (Choice-D)

Figure represents the motion of mass of the system containing man, ball and box.

Question number: 2

» Kinematics » Position-Time Graphs

Appeared in Year: 2013

MCQ▾

Question

The accompanying graph of position x versus time t represents the motion of a particle. If p and q are both positive constants, the expression that best describes the acceleration a of the particle is,

Accompanying graph of position X versus time t

Accompanying Graph of Position X Versus Time T

In figure the accompanying graph of position x versus time t represents the motion of a particle is shown.

Choices

Choice (4) Response

a.

a=pqt

b.

a=p+qt

c.

a=pqt

d.

a=p+qt

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