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While on a luge run in the Olympics, a sled with a mass of 157 kg rounds a horizontal curve of radius 5.8 m with a speed of 18.5 m/s. Assuming there is no friction, what is the normal force exerted by the track on the sled?

Answer :

In a circular motion the normal force is also called centripetal force. The centripetal force is given by:

[tex]F=\frac{mv^2}{r}[/tex]

where m is the mass, v is the velocity and r is the radius.

Plugging the values given we have:

[tex]undefined[/tex]

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