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Question

A car drives straight down toward the bottom of a valley and up the other side on a road whose bottom has a radius of curvature of $125 \mathrm{~m}$. At the very bottom, the normal force on the driver is twice his weight. At what speed was the car traveling?

Solution

VerifiedAnswered 9 months ago

Answered 9 months ago

Step 1

1 of 6**We are given:**

- $g=9.8 \ \mathrm{m/s^2}$ - gravitational constant
- $r=125 \ \text{m}$ - radius of curvature
- $F_{N}=2W$ - normal force at the bottom

**Required.**

We need to determine the speed the car was traveling?

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