“47. CARS The formula can be used to determine the position of an object after t seconds at a rate of acceleration a with initial velocity . Valerie’s car can accelerate 0.002 miles per second squared.
a. Express in vertex form as she accelerates from 35 miles per hour to enter highway traffic.
b. How long will it take Valerie to match the average speed of highway traffic of 68 miles per hour? (Hint: Use acceleration · time = velocity.)
c. If the entrance ramp is -mile long, will Valerie have sufficient time to match the average highway speed? Explain.
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Excerpt From: John A. Car

Question

“47.	CARS  The formula  can be used to determine the position  of an object after t seconds at a rate of acceleration a with initial velocity . Valerie’s car can accelerate 0.002 miles per second squared.
	a.	Express  in vertex form as she accelerates from 35 miles per hour to enter highway traffic.
	b.	How long will it take Valerie to match the average speed of highway traffic of 68 miles per hour? (Hint: Use acceleration · time = velocity.)
	c.	If the entrance ramp is -mile long, will Valerie have sufficient time to match the average highway speed? Explain.
”

Excerpt From: John A. Car

yanasidlinskiy · Answer

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