Using F = 0 $S = \sqrt { 30 D f }$

question 115

Multiple Choice

Using f = 0.35 as a coefficient of friction, determine how fast a car was traveling if it skidded D = 300 feet. Use the formula $S = \sqrt { 30 D f }$ Express your answer to the nearest mile per hour.

• A) 63 miles per hour
• B) 51 miles per hour
• C) 43 miles per hour
• D) 56 miles per hour

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