You are Here: Home >< GCSEs

# rollercoaster watch

1. The rollercoaster car is raised a vertical distance of 35 m to point A by a motor in 45 seconds. The mass of the rollercoaster is 600 kg. The motor has a power rating of 8 000 W.
The rollercoaster rolls from point A to point B, a drop of 35 m.
Calculate the speed of the roller coaster at point B.
Assume that the decrease in potential energy store is equal to the increase in kinetic energy store. [6 marks]

Speed at point B = m/s
2. (Original post by chrisyabantony14)
The rollercoaster car is raised a vertical distance of 35 m to point A by a motor in 45 seconds. The mass of the rollercoaster is 600 kg. The motor has a power rating of 8 000 W.
The rollercoaster rolls from point A to point B, a drop of 35 m.
Calculate the speed of the roller coaster at point B.
Assume that the decrease in potential energy store is equal to the increase in kinetic energy store. [6 marks]

Speed at point B = m/s
What have you got for the PE gained?
3. (Original post by Muttley79)
What have you got for the PE gained?
i don't know

TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Updated: February 17, 2018
Today on TSR

### University open days

1. University of Cambridge
Wed, 26 Sep '18
2. Norwich University of the Arts
Fri, 28 Sep '18
3. Edge Hill University
Faculty of Health and Social Care Undergraduate
Sat, 29 Sep '18
Poll
Useful resources

## Study tools

### Essay expert

Learn to write like a pro with our ultimate essay guide.

See where you can apply with our uni match tool

### Make study resources

Create all the resources you need to get the grades.

### Create your own Study Plan

Organise all your homework and exams so you never miss another deadline.

### Resources by subject

From flashcards to mind maps; there's everything you need for all of your GCSE subjects.

### Find past papers

100s of GCSE past papers for all your subjects at your fingertips.