Concept explainers
(a)
The time period when the velocity is constant.
(a)
Answer to Problem 51P
Velocity is constant in
Explanation of Solution
Given:
The given graph is shown below.
Formula Used:
Velocity is calculated as
Calculation:
Constant velocity is obtained by deducing the slope of the distance-time graph. Here, velocity is constant in the starting period of
Conclusion:
Velocity is constant in
(b)
The time when the velocity is greatest.
(b)
Answer to Problem 51P
Velocity is maximum at
Explanation of Solution
Given:
The given graph is shown below.
Calculation:
Velocity is maximum at its peak when the slope would be highest positive. For the given graph, the slope is highestat
Conclusion:
Velocity is maximum at
(c)
The time when the velocity is zero.
(c)
Answer to Problem 51P
Velocity will be zero at
Explanation of Solution
Given:
The given graph is shown below.
Calculation:
Velocity will be zero when the instantaneous position of the object will be zero that is when the graph is at the highest possible value at
Conclusion:
Velocity will be zero at
(d)
To identify: Whether the object will move in one direction or both directions during the time shown.
(d)
Answer to Problem 51P
The object will move forward in
Explanation of Solution
Given:
The given graph is shown below.
Calculation:
As shown in the graph, the object moves in both positive and negative direction. When the slope is positively increasing then the object will move in the forward direction in
Conclusion:
The object will move forward in
Chapter 2 Solutions
Physics: Principles with Applications
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