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Author Question: At time t, the position of a body moving along the s-axis is m. Find the body's acceleration each ... (Read 193 times)

lidoalex

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Question 1

The position of a body moving on a coordinate line is given by with s in meters and t in seconds. When, if ever, during the interval does the body change direction?
◦ t = 14 sec
◦ t = 7 sec
◦ t = 3.5 sec
◦ no change in direction

Question 2

At time t, the position of a body moving along the s-axis is m.  Find the body's acceleration each time the velocity is zero.
◦ a(2) = -6 m/sec2, a(4) = 6 m/sec2
◦ a(2) = 0 m/sec2, a(4) = 0 m/sec2
◦ a(2) = 6 m/sec2, a(4) = -6 m/sec2
◦ a(4) = 24 m/sec2, a(8) = 4 m/sec2


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Marked as best answer by lidoalex on Dec 18, 2021

mrphibs

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lidoalex

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Reply 2 on: Dec 18, 2021
Thanks for the timely response, appreciate it


aruss1303

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Reply 3 on: Yesterday
Excellent

 

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