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how fast must a roller

Jane and Jill want their mom to ride the roller coaster with them, but she thinks it will be too fast. She asks the girls to
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A 240 kg roller coaster car Rolls over the crest of the roller coaster with a speed of 2.2m/s.if it falls through a vertical
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2. asked by Laura
3. 709 views
A roller in a sheet-metal processing plant has a diameter of 1.77 m and a mass of 5871 kg. Assume the roller is a solid
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2. asked by Tina
3. 733 views
Both roller skating and ice skating are fun ways to spend time with your friends and get some exercise.With roller skating, you
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2. asked by Auroraswittlekitten
3. 112 views
A certain roller coaster has a circular, vertical loop of radius 10 meters, such that at its top the riders are upside down. How
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2. asked by pam
3. 1,185 views
A certain roller coaster has a circular, vertical loop of radius 10 meters, such that at its top the riders are upside down. How
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2. asked by peter
3. 983 views
A certain roller coaster has a circular, vertical loop of radius 10 meters, such that at its top the riders are upside down. How
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2. asked by zach
3. 651 views
Problem 2- A 350 kg roller coaster starts from rest at point A and slides down the frictionless loop-the-loop shown in the
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2. asked by Anonymous
3. 24,060 views
A man using a 70 kg garden roller on a level surface exerts a force 20 kgf at 45 degrees to the ground . Find the vertical force
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2. asked by Joseph
3. 2,369 views
how fast must a roller coaster be going to get around a vertical loop with a radius of 15 m
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2. asked by Larissa
3. 467 views