28 Oct 2021
Problem 17
Page 41
Section: Questions
Chapter 2: Describing motion: Kinematics in one dimension
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28 Oct 2021
Given information
According to the question, the motion of a particle is plotted. Along the X-axis time is shown and along the Y-axis the velocity of that particle is plotted.
We have to describe in words the motion plotted in the Fig. 2–32 in terms of velocity, acceleration.
Step-by-step explanation
Step 1.
The instantaneous acceleration at any time is the slope of the tangent to the vs. curve at that time, where is the velocity of the particle and is the time.
In the given figure, the velocity profile is shown. Firstly the object starts with an initial velocity and then it moves with an uniform acceleration, since the velocity increases linearly with time up to .
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