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A rollercoaster car speeds up

In a rollercoaster system with the Earth, why is the potential energy of the system at the lowest when the rollercoaster is at
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2. asked by Amaris Martin
3. 124 views
at the top of a hill a rollercoaster has 67,500j of kinectic energy and 290,000j of potential energy. gradually the
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2. asked by robbie
3. 613 views
Rollercoaster has a dip that bottoms out in a vertical circle of radius r.Passenger feels seat of car pushing upward on her with
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2. asked by Jenn
3. 656 views
An inquisitive physics student, wishing to combine pleasure with scientific inquiry, rides on a rollercoaster sitting on a
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2. asked by Manny
3. 860 views
A rollercoaster car speeds up and down a hill past points a, b, and c as shown. The car has a mass of 500 kg and a speed of 25.0
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2. asked by Bobby
3. 548 views
What are supersonic speeds?Responses speeds exactly at the speed of sound speeds exactly at the speed of sound speeds at 343 m/s
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2. 64 views
The young has 37 tickets to use at the carnival.He uses 4 Kix to ride the carousel and the rest to ride the rollercoaster.Each
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2. 32 views
Solve the problem.Mark and his family went to an amusement park. One half of his family rode a rollercoaster while two sixths of
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2. 62 views
How does increasing the concentration of one of the reactants affect the reaction?It speeds up the reaction by acting as a
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2. 73 views
How do the frequencies and speeds of different colors of visible light compare?(1 point) Responses The different colors have
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2. 48 views