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OpenStudy (anonymous):
#3
OpenStudy (rajee_sam):
d
OpenStudy (anonymous):
can you help with more
OpenStudy (rajee_sam):
I will try
OpenStudy (anonymous):
question with answer choice A and B
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OpenStudy (anonymous):
answer choice C and D
OpenStudy (rajee_sam):
initial speed is 23 miles/hr. So choice b and d ruled out because they start at 46 and 0 respectively . now the choice is between a and c. Choice a and c start with 23 miles/hr. But it says it accelerates to 46 in 5 secs. and maintains it for 5 secs and then slows down and stops in next 5 secs. only c comes to a stop at the end. So answer choice is C
OpenStudy (anonymous):
please help
OpenStudy (rajee_sam):
a
OpenStudy (rajee_sam):
Just analyze the graph and compare it with the answer. The answer gives you clues..
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OpenStudy (anonymous):
i will fan you and write you a testiomonial if you help with 3 more
OpenStudy (rajee_sam):
go ahead another 5 min. I have to get some sleep
OpenStudy (rajee_sam):
make it quick pl.
OpenStudy (anonymous):
OpenStudy (rajee_sam):
substitute x= -3 and find the value. |dw:1367550521632:dw|