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A roller-coaster car speeds down a hill past point A where R1 = 11.6 m and...

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Physics

A roller-coaster car speeds down a hill past point A where R1 =11.6 m and then rolls up a hill past point B where R2 = 15.2 m, asshown below.

(a) The car has a speed of 20.0 m/s at point A. if the trackexerts a normal force on the car of 2.08 104 N at this point, whatis the mass of the car?

(b) What is the maximum speed the car can have at point B forthe gravitational force to hold it on the track?

Answer & Explanation Solved by verified expert
3.7 Ratings (486 Votes)
You typed the normal force is 208 104 N but I assuming this value is 208 x 104 N a If you draw a free body diagram for car at point A then N goes upward mg goes    See Answer
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