Concept explainers
(a)
Acceleration of object from
(a)
Answer to Problem 62AP
Acceleration of object from
Explanation of Solution
Write the equation for acceleration.
`
Here,
The straight line parallel to x-axis of velocity-time graph from
Conclusion:
Substitute
Therefore, the acceleration of object from
(b)
Acceleration of object from
(b)
Answer to Problem 62AP
Acceleration of object from
Explanation of Solution
Write the equation for acceleration.
`
Write the equation for
Here,
Write the equation for
Here,
Rewrite the equation for
Conclusion:
Substitute
Therefore, the acceleration of object from
(c)
Acceleration of object from
(c)
Answer to Problem 62AP
Acceleration of object from
Explanation of Solution
Substitute
Therefore, the acceleration of object from
(d)
The time interval(s) at which the object moves with lowest speed.
(d)
Answer to Problem 62AP
Object moves with lowest speed at
Explanation of Solution
Speed will be either zero or positive only. In the graph , it can be seen that
Therefore, the object moves with lowest speed at
(e)
The time at which object is at maximum distance from
(e)
Answer to Problem 62AP
The time at which object is at maximum distance from
Explanation of Solution
Initially, the object will goes into negative coordinates. At
Therefore, the time at which object is at maximum distance from
(f)
The final position of object at
(f)
Answer to Problem 62AP
The final position of object at
Explanation of Solution
The distance travelled from velocity-time graph can be found using the area under the graph. The whole area of graph can be divided to five parts.
Write the equation to find the position of object at
Here,
Conclusion:
Substitute
Therefore, the final position of object at
(g)
The total distance travelled by object during the time from
(g)
Answer to Problem 62AP
The total distance travelled by object during the time from
Explanation of Solution
Write the equation to find the total distance travelled by object.
Here,
Conclusion:
Substitute
Therefore, the total distance travelled by object during the time from
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Chapter 2 Solutions
Physics: for Science.. With Modern. -Update (Looseleaf)
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