The formula for centripetal force (F_c) is given by:
\[
F_c = \frac{mv^2}{r}
\]
where:
- \( m \) is the mass of the car (1000 kg),
- \( v \) is the speed of the car (5.5 m/s),
- \( r \) is the radius of the curve (20.0 m).
Substituting the values:
\[
F_c =
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