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OpenStudy (anonymous):
Police can estimate the speed of a vehicle before the brakes are applied using the formula 0.75d=S^2/30.25, where s is the speed in miles per hour and d is the length of the vehicle’s skid marks. What was the approximate speed of a vehicle that left a skid mark measuring 100 feet? Answer about 29 miles per hour about 10 miles per hour about 48 miles per hour about 43 miles per hour
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OpenStudy (anonymous):
S^2=75(30.25). take square root
OpenStudy (ragingsquirrel):
47.63 = s
OpenStudy (ragingsquirrel):
Rounded that would make 48 MPH
OpenStudy (anonymous):
thankss, i reaaaaaaaaaallly appreciate it
OpenStudy (anonymous):
:))
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OpenStudy (ragingsquirrel):
:D
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