A roller-coaster car has a mass of 500 kg when fully loaded with passengers. The car passes over a hill of radius r2 = 15.0 m, experiencing centripetal acceleration (directed toward the center). At the top of the track (point B), the car has a speed of 8.00 m/s. What is the normal force that the track exerts on the coaster at this point? {Consider Newton's law for centripetal acceleration and careful with t signs) 4,900 N 1,540 N 3,550 N 7,030 N O 2,770 N

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A roller-coaster car has a mass of 500 kg when fully loaded with passengers. The car passes over a hill of radius r2 = 15.0 m,
experiencing centripetal acceleration (directed toward the center). At the top of the track (point B), the car has a speed of 8.00
m/s. What is the normal force that the track exerts on the coaster at this point? {Consider Newton's law for centripetal acceleration and
careful with + signs}
O 4,900 N
O 1,540 N
O 3,550 N
O 7,030 N
O 2,770 N
Transcribed Image Text:A roller-coaster car has a mass of 500 kg when fully loaded with passengers. The car passes over a hill of radius r2 = 15.0 m, experiencing centripetal acceleration (directed toward the center). At the top of the track (point B), the car has a speed of 8.00 m/s. What is the normal force that the track exerts on the coaster at this point? {Consider Newton's law for centripetal acceleration and careful with + signs} O 4,900 N O 1,540 N O 3,550 N O 7,030 N O 2,770 N
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