Fictituous forces and apparent weight

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SUMMARY

The discussion centers on calculating the speed of a roller coaster car at the bottom of a dip with a radius of curvature of 30.0 meters, where passengers feel 50% heavier than their true weight. The apparent weight increase indicates the presence of centripetal acceleration. To find the speed, one must apply the principles of circular motion and Newton's second law, specifically using the formula for centripetal force.

PREREQUISITES
  • Circular motion dynamics
  • Newton's second law of motion
  • Understanding of centripetal acceleration
  • Basic physics diagramming skills
NEXT STEPS
  • Study the relationship between centripetal force and apparent weight in circular motion
  • Learn how to derive speed from radius and centripetal acceleration
  • Explore free-body diagrams to visualize forces acting on objects in motion
  • Investigate the effects of varying radius on the speed of roller coasters
USEFUL FOR

Physics students, mechanical engineers, and anyone interested in the dynamics of roller coasters and circular motion principles.

mugzieee
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The passengers in a roller coaster car feel 50% heavier than their true weight as the car goes through a dip with a 30.0 radius of curvature.
 
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how would i find the speed of the car at the bottom?
 
How do you think you'd go about finding it?

Nobody's going to do your homework for you, but a diagram with some marked forces is usually a good place to start.
 

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