A Car Going Around a Curve of Radius R at a Speed

question 92

Multiple Choice

A car going around a curve of radius R at a speed V experiences a centripetal acceleration a_c. What should be the radius of the path that leads to same centripetal acceleration while it travels at speed 2V?

• A) R
• B) 2R
• C) 4R
• D) ½ R
• E) ¼ R

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