If a Certain Car, Going with Speed V₁, Rounds a Level

question 65

Multiple Choice

If a certain car, going with speed v₁, rounds a level curve with a radius R₁, it is just on the verge of skidding.If its speed is now doubled, the radius of the tightest curve on the same road that it can round without skidding is:

• A)2R₁
• B)4R₁
• C)R₁/2
• D)R₁/4
• E)R₁