#$&*
PHY 121
Your 'cq_1_21.2' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
** **
A typical automobile coasts up a typically paved incline, stops, and coasts back down to the same position.
When it reaches this position, is it moving faster, slower or at the same speed as when it began? Explain
answer/question/discussion: ->->->->->->->->->->->-> :
It should be moving faster than when it started. This is because, when it moves up the hill, the incline and gravity are working against it. However, when it rolls back down, the incline and gravity work in its favor so it will be able to gain additional speed.
#$&*
** **
5 min
** **
@&
There is friction between the tires and the road.
How does this affect your reasoning?
*@