a) What is the speed of the car at point B? 39.6 m/s b) What is the speed of the car at point C? 31.305 m/s c) What is the speed of the car at point D? 37.04 m/s d) What is the force applied by the surface of the loop on the car at point B? 8,820 N Hint: Uses Normal force e) What is the force applied by the surface of the loop on the car at point C? 49976.4 N Uses Centripetal Force (F. = (m*v)/r) and gravitational force %3D

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Chapter1: Units, Trigonometry. And Vectors
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This sheet already has the answers however I would like to know what to do to get these answers. I uploaded the picture that goes with the questions here. I'd like to know all of the work and formulas used to get each answer in this problem. I would greatly appreciate the help! :) I will copy the questions and answers down below.

  1. a)     What is the speed of the car at point B? 6 m/s
  2. b)     What is the speed of the car at point C? 305 m/s
  3. c)     What is the speed of the car at point D? 04 m/s
  4. d)     What is the force applied by the surface of the loop on the car at point B? 8,820 N
  5. e)     What is the force applied by the surface of the loop on the car at point C? 4 N




 

# Roller Coaster Physics Problem

## Problem Statement

A 900.0 kg roller coaster car starts from rest at point A, rolls down the track, goes around a loop (points B and C), and then flies off the inclined part of the track (point D). The dimensions are:
- Height from point A: \( H = 80.0 \, \text{m} \)
- Radius of the loop: \( r = 15.0 \, \text{m} \)
- Height of the incline at point D: \( h = 10.0 \, \text{m} \)
- Angle of the incline: \( \theta = 30.0^\circ \)

## Diagram Description

The diagram depicts a roller coaster track with four key points:
- **Point A**: The starting point at the top of a hill.
- **Point B and C**: Lower points where the coaster goes through a vertical loop.
- **Point D**: Where the coaster exits the loop and goes up an incline.

The track is marked with the heights and angles relevant for calculations.

## Questions and Answers

a) **What is the speed of the car at point B?**  
   - **Answer**: \( 39.6 \, \text{m/s} \)

b) **What is the speed of the car at point C?**  
   - **Answer**: \( 31.305 \, \text{m/s} \)

c) **What is the speed of the car at point D?**  
   - **Answer**: \( 37.04 \, \text{m/s} \)

d) **What is the force applied by the surface of the loop on the car at point B?**  
   - **Answer**: \( 8,820 \, \text{N} \)
   
   *Hint: Uses Normal force*

e) **What is the force applied by the surface of the loop on the car at point C?**  
   - **Answer**: \( 49,976.4 \, \text{N} \)
   
   *Uses Centripetal Force \((F_c = \frac{m \times v^2}{r})\) and gravitational force*

This problem combines concepts of energy conservation, centripetal force, and dynamics on an inclined plane.
Transcribed Image Text:# Roller Coaster Physics Problem ## Problem Statement A 900.0 kg roller coaster car starts from rest at point A, rolls down the track, goes around a loop (points B and C), and then flies off the inclined part of the track (point D). The dimensions are: - Height from point A: \( H = 80.0 \, \text{m} \) - Radius of the loop: \( r = 15.0 \, \text{m} \) - Height of the incline at point D: \( h = 10.0 \, \text{m} \) - Angle of the incline: \( \theta = 30.0^\circ \) ## Diagram Description The diagram depicts a roller coaster track with four key points: - **Point A**: The starting point at the top of a hill. - **Point B and C**: Lower points where the coaster goes through a vertical loop. - **Point D**: Where the coaster exits the loop and goes up an incline. The track is marked with the heights and angles relevant for calculations. ## Questions and Answers a) **What is the speed of the car at point B?** - **Answer**: \( 39.6 \, \text{m/s} \) b) **What is the speed of the car at point C?** - **Answer**: \( 31.305 \, \text{m/s} \) c) **What is the speed of the car at point D?** - **Answer**: \( 37.04 \, \text{m/s} \) d) **What is the force applied by the surface of the loop on the car at point B?** - **Answer**: \( 8,820 \, \text{N} \) *Hint: Uses Normal force* e) **What is the force applied by the surface of the loop on the car at point C?** - **Answer**: \( 49,976.4 \, \text{N} \) *Uses Centripetal Force \((F_c = \frac{m \times v^2}{r})\) and gravitational force* This problem combines concepts of energy conservation, centripetal force, and dynamics on an inclined plane.
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