In the Figure, a Very Small Toy Race Car of Mass

question 28

Multiple Choice

In the figure, a very small toy race car of mass m is released from rest on the loop-the-loop track. If it is released at a height 2R above the floor, how high is it above the floor when it leaves the track, neglecting friction?

• A) 1.67 R
• B) 2.00 R
• C) 1.50 R
• D) 1.33 R
• E) 1.25 R