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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?

erted cone, as the drawing shows. On this surface the cars race in c
s, at what value of the distance d should a driver locate his car if he
n friction?
40.0
40.0
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erted cone, as the drawing shows. On this surface the cars race in c s, at what value of the distance d should a driver locate his car if he n friction? 40.0 40.0 Units Save for L Attempts: 0 of 3 used PXW 9

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Expert Answer

Step 1

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

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Nsine

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Step 2

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

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N cose-mg

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Step 3

Divide the first equati...

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Nsine N cose mg tan rg 00

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