Kinematics (KVPY Stream-SA (Class 11) Physics): Questions 9 - 10 of 21

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Question number: 9

» Kinematics » Relative Velocity

Appeared in Year: 2014

MCQ▾

Question

In the following displacement (x) vs time (t) graph, at which among the points P, Q, and R is the object’s speed increasing?

Graph of displacement (x) vs time (t)

Graph of Displacement (X) vs Time (T)

In figure graph of displacement (x) vs time (t) is shown. P, Q and R are points among the graph.

Choices

Choice (4) Response
a.

R only

b.

P, Q, R

c.

P only

d.

Q and R only

Question number: 10

» Kinematics » Position-Time Graphs

Appeared in Year: 2015

MCQ▾

Question

An object at rest at the origin begins to move in the +x direction with a uniform acceleration of 1 m/s2 for 4s and then it continues moving with a uniform velocity of 4 m/s in the same direction. The xt graph for object’s motion will be

Choices

Choice (4) Response
a.
The graph of x verses t – Choice A

The Graph of X Verses T – Choice a

In figure graph of position verses time is shown. An object at rest at the origin being to move in the + x direction with uniform acceleration of 1 m/s2 for 4s and then it continues moving with a uniform velocity of 4 m/s in the same direction.

b.
The graph of x verses t – Choice B

The Graph of X Verses T – Choice B

In figure graph of position verses time is shown. An object at rest at the origin being to move in the + x direction with uniform acceleration of 1 m/s2 for 4s and then it continues moving with a uniform velocity of 4 m/s in the same direction.

c.
The graph of x verses t – Choice C

The Graph of X Verses T – Choice C

In figure graph of position verses time is shown. An object at rest at the origin being to move in the + x direction with uniform acceleration of 1 m/s2 for 4s and then it continues moving with a uniform velocity of 4 m/s in the same direction.

d.
The graph of x verses t

The Graph of X Verses T

The equation of speed in term of acceleration and time is written as,

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