#$&*
phy 201
Your 'cq_1_05.1' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
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A ball accelerates at 8 cm/s^2 for 3 seconds, starting with velocity 12 cm/s.
What will be its velocity after the 3 seconds has elapsed?
Answer: ->->->->->->->->->->->-> 36 cm/s
Discussion: I took the 8 m/s^2 and times it by 3 for the 3 seconds the ball was traveling. Then took the initial velocity of 12 cm/sec and added that in too.
Assuming that acceleration is constant, what will be its average velocity during this interval?
Answer: ->->->->->->->->->->->-> 24 cm/s
Discussion: Because it is a constant acceleration I knew it would be a linear increase. From knowing the final velocity and initial velocity I just added them up and divided by 2.
How far will it travel during this interval?
Answer: ->->->->->->->->->->->-> 72 cm
Discussion: I took the average of 24 cm/s and times it by the 3 seconds it traveled for, I stuck with 72 because I am presuming the object traveled in a straight line and didn’t take any turns.
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30 minutes
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&#Very good responses. Let me know if you have questions. &#
#$&*
phy 201
Your 'cq_1_05.1' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
** **
A ball accelerates at 8 cm/s^2 for 3 seconds, starting with velocity 12 cm/s.
What will be its velocity after the 3 seconds has elapsed?
Answer: ->->->->->->->->->->->-> 36 cm/s
Discussion: I took the 8 m/s^2 and times it by 3 for the 3 seconds the ball was traveling. Then took the initial velocity of 12 cm/sec and added that in too.
Assuming that acceleration is constant, what will be its average velocity during this interval?
Answer: ->->->->->->->->->->->-> 24 cm/s
Discussion: Because it is a constant acceleration I knew it would be a linear increase. From knowing the final velocity and initial velocity I just added them up and divided by 2.
How far will it travel during this interval?
Answer: ->->->->->->->->->->->-> 72 cm
Discussion: I took the average of 24 cm/s and times it by the 3 seconds it traveled for, I stuck with 72 because I am presuming the object traveled in a straight line and didn’t take any turns.
** **
30 minutes
** **
&#Very good responses. Let me know if you have questions. &#