When trying to determine the speed of a car in an accident, police can use this formula: The s is the speed of a car in miles per hour and the distance d is the feet that it skids on a dry road. How fast was a car going if it skidded 150 feet? Leave your solution in simplified form.

the formula is... http://roads.advancedacademics.com/contentserver/content/roadssection/277556/questions/8hw5/8hw5_q10.gif

& the options are,

A. 40 mph
B. 50 mph
C. 60 mph
D. 70 mph

Question

When trying to determine the speed of a car in an accident, police can use this formula: The s is the speed of a car in miles per hour and the distance d is the feet that it skids on a dry road. How fast was a car going if it skidded 150 feet? Leave your solution in simplified form.

the formula is... http://roads.advancedacademics.com/contentserver/content/roadssection/277556/questions/8hw5/8hw5_q10.gif

& the options are,

A.	40 mph
	B.	50 mph
	C.	60 mph
	D.	70 mph

anonymous · Answer

plug it into your calculator:
speed = sqrt(24*150)