# erted cone, as the drawing shows. On this surface the cars race in cs, at what value of the distance d should a driver locate his car if hen friction?40.040.0UnitsSave for LAttempts: 0 of 3 usedPXW9

Question
Asked Oct 10, 2019
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A racetrack has the shape of an inverted cone, as the drawing shows. On this surface the cars race in circles that are parallel to the ground. For a speed of 47.5 m/s, at what value of the distance d should a driver locate his car if he wishes to stay on a circular path without depending on friction?

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## Expert Answer

Step 1

In the system, weight of car is balanced by the vertical component of normal reaction force.

Step 2

Centripetal force is balanced by the vertical component of normal reaction force.

Step 3

Divide the first equati...

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