Physics l help due today dont kno how to do it speeds

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SUMMARY

The discussion centers on calculating the maximum speed of a 1000-kg car on a level track with a 50-meter radius, given a coefficient of static friction of 0.80. Utilizing Newton's second law, participants are guided to derive the vertical and radial components of the forces acting on the car. The gravitational constant is specified as 10.0 N/kg. The simulation tool "4.5 Car Circles a Track" is recommended for verifying the calculated maximum speed to ensure the car remains on the track without skidding.

PREREQUISITES
  • Understanding of Newton's second law of motion
  • Knowledge of static friction and its coefficient
  • Familiarity with circular motion concepts
  • Experience using physics simulation tools, specifically "4.5 Car Circles a Track"
NEXT STEPS
  • Calculate the maximum speed using the formula derived from Newton's second law
  • Explore the relationship between friction and circular motion
  • Investigate the effects of varying the radius on maximum speed
  • Practice using other physics simulations to reinforce concepts of motion and forces
USEFUL FOR

Students studying physics, particularly those focusing on mechanics and circular motion, as well as educators seeking practical examples for teaching these concepts.

albarnett17
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Physics l help please due today don't kno how to do it speeds

A 1000-kg car moves at a maximum speed so that it does not skid off the 50-m radius level track. If the coefficient of static friction between the road and wheels is 0.80. What is the maximum speed? Assume that the gravitational constant is 10.0 N/kg =10.0 m/s. Use the simulations in 4.5 Car Circles a Track to check your answers.


Write an equation for the vertical y-component form of Newton's second law. Determine the magnitude of the normal force. Then use a force law equation to determine the magnitude of the static friction force.


Write an equation for the radial component form of Newton's second law. Use this to determine the maximum speed that the car can travel so that it does not skid (so that friction can provide the needed force to keep the car moving in a circle). Once you have calculated the maximum speed adjust the speed slider in the 4th simulation to this speed and see if the car stays on the track.
 
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This sounds like homework ?
maybe should be in that section to get some help :)

Dave
 

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