A roller coaster approaches a hill, traveling at 40m/s. The roller coaster has a mass of 800 kg. When it reaches the top of the hill, it has exactly zero velocity. What is the height of the hill?

Inquiry into Physics
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ISBN:9781337515863
Author:Ostdiek
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Chapter3: Energy And Conservation Laws
Section: Chapter Questions
Problem 39P: . In the annual Empire State Building race, contestants run up 1,575 steps to a height of 1,050 ft....
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Answer the questions below relating to the law of conservation of energy. Make sure to
show all your work.
1) A roller coaster approaches a hill, traveling at 40m/s. The roller coaster has a mass of
800 kg. When it reaches the top of the hill, it has exactly zero velocity. What is the height
of the hill?
2) A roller coaster has a mass of 600kg. It drops from a hill of height 80m. At the top of the
hill, it has zero velocity. How fast is it going when it reaches the bottom?
Student Help Desk | Schoology Blog | PRIVACY F
99+
Transcribed Image Text:1. 2 4 ||| III 5 1=1 lij IT } 11 Answer the questions below relating to the law of conservation of energy. Make sure to show all your work. 1) A roller coaster approaches a hill, traveling at 40m/s. The roller coaster has a mass of 800 kg. When it reaches the top of the hill, it has exactly zero velocity. What is the height of the hill? 2) A roller coaster has a mass of 600kg. It drops from a hill of height 80m. At the top of the hill, it has zero velocity. How fast is it going when it reaches the bottom? Student Help Desk | Schoology Blog | PRIVACY F 99+
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