**a.**

Radius:

$\overline{){\mathbf{r}}{\mathbf{=}}\frac{{\mathbf{v}}^{\mathbf{2}}}{\mathbf{g}\mathbf{t}\mathbf{a}\mathbf{n}\mathbf{\theta}}}$

A bobsled turn banked at 78° is taken at 24.65 m/s.

a. What is the radius of the bobsled turn in n, assuming it is ideally banked and there is no friction between the ice and the bobsled?

b. Calculate the centripetal acceleration in m/s^{2}.

c. Calculate the centripetal acceleration as multiple of g.

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What scientific concept do you need to know in order to solve this problem?

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