1. Here is some background information about the roller coaster that can be helpful: • the length of the entire rollercoaster train is 19.5 m • the lead car is 3.4 m long • the other 5 cars are 2.7 m long • the mass of each car is 1040 kg • each car can hold up to six passengers 2. Compare the mechanical energy of this roller coaster at the top to the mechanical energy at the bottom of the hill. Hint: Does the entire mass of the train roll freely, starting from rest, at the very top of the hill?
1. Here is some background information about the roller coaster that can be helpful: • the length of the entire rollercoaster train is 19.5 m • the lead car is 3.4 m long • the other 5 cars are 2.7 m long • the mass of each car is 1040 kg • each car can hold up to six passengers 2. Compare the mechanical energy of this roller coaster at the top to the mechanical energy at the bottom of the hill. Hint: Does the entire mass of the train roll freely, starting from rest, at the very top of the hill?
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1. Here is some background information about the roller coaster that can be helpful:
• the length of the entire rollercoaster train is 19.5 m
• the lead car is 3.4 m long
• the other 5 cars are 2.7 m long
• the mass of each car is 1040 kg
• each car can hold up to six passengers
2. Compare the mechanical energy of this roller coaster at the top to the mechanical energy at the bottom of the hill.
Hint: Does the entire mass of the train roll freely, starting from rest, at the very top of the hill?
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Expert Solution
Step 1
The mechanical energy is the sum of kinetic energy and potential energy. The rule of conservation of mechanical energy said that if an isolated system is get to conservation forces, hence mechanical energy is constant.
If an object goes in the opposite direction of a conservative force then potential energy gets increase; and if the speed of the object changes then kinetic energy of the object will also changes.
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