Concept explainers
Describe in words the motion of the object graphed in Fig. 2-33
To Describe:
The motion of the object.
Answer to Problem 22Q
Solution:
The motion of the object has been described.
Given:
Explanation of Solution
During the time t=0, the body is at initial velocity = 15 m/s (approximately).
During the interval 0-50 s, the object experiences a non-uniform acceleration and the velocity would be increasing.
At 50 s the body’s velocity will be at its peak, after reaching the maximum the body will experience a non- uniform negative acceleration from the interval 50-90 s. Then the body will gradually reduce the speed and finally comes to rest at t=90 s.
After 108 s the body will remain at rest due to lack of acceleration. The body accelerates then it will increase its speed and start moving on.
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Physics: Principles with Applications
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