A Car Is Able to Stop in a Distance D $\sqrt { 2 }$

question 18

Multiple Choice

A car is able to stop in a distance d. Assuming the same braking force (and therefore the same acceleration) , what distance does this car require to stop when it is traveling twice as fast?

• A) d
• B) 2d
• C) \(\sqrt { 2 }\) d
• D) 4d
• E) 2 \(\sqrt { 2 }\) d

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