Register
A roller coaster car starts at a height of 90 M at Point a and is moving at a speed of 20 m per second on a later Hill at Point C assuming friction does not affect the motion of the car what is its height
191k views
2 votes
A roller coaster car starts at a height of 90 M at Point a and is moving at a speed of 20 m per second on a later Hill at Point C assuming friction does not affect the motion of the car what is its height at Point C

User Rcubefather
by
7.9k points

2 Answers

6 votes
Hi there!

The answer you are looking for.....



20.4 m!





Hope this helps you!

Have a great day!
User Alidad
by
8.5k points
5 votes
The answer is 20.4m in height. You can use the kinematics equation Vf^2=V0^2+2ad Therefore we have solving for d or height, we get d=Vf^2/2g
(20m/s)^2/(2*9.8m/s^2)=20.4m
User RAMAN RANA
by
7.7k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

At sea level, water boils at 100 degrees celcius and methane  boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
Physical properties of minerals graphic organizer
what is a device that transforms thermal energy to mechanical energy
How many light sources do you know Pls list them
A 75-kg refrigerator is located on the 70th floor of a skyscraper (300meters a over the ground) What is the potential energy of the refrigerator? #PLEASE HELP
Link Copied!