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27 Nov 2019
A roller-coaster car has a mass of 1030 kg when fullyloadedwith passengers. As the car passes over the top of a circularhillof radius 23 m, its speed is not changing. (a)Atthe top of the hill, what is the normal force (using thenegativesign for the downward direction) FN onthe carfrom the track if the car's speed is v = 7.4m/s?(b) What is FN ifv =18 m/s? Sorry but my anwsers still are wrong, i dont know why.. igot7622N for part a, and for part b, -4326N Thank you
A roller-coaster car has a mass of 1030 kg when fullyloadedwith passengers. As the car passes over the top of a circularhillof radius 23 m, its speed is not changing. (a)Atthe top of the hill, what is the normal force (using thenegativesign for the downward direction) FN onthe carfrom the track if the car's speed is v = 7.4m/s?(b) What is FN ifv =18 m/s?
Sorry but my anwsers still are wrong, i dont know why.. igot7622N for part a, and for part b, -4326N
Thank you
23 Feb 2023
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Collen VonLv2
31 Jul 2019
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