A roller coaster car (Fig.P6.19) has a mass of 500 kg when fully loaded with passengers. (a) If the vehicle has a speed of 20.0

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A roller coaster car (Fig.P6.19) has a mass of 500 kg when fully loaded with passengers. (a) If the vehicle has a speed of 20.0 m/s at point θ, what is the force exerted by the track on the car at this point? (b) What is the maximum speed the vehicle can have at " and still remain on the track?

A roller coaster car (Fig.P6.19) has a mass of 500 kg

10 m! 15 m Figure P6.19

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