Roller Coaster: Energy Conservation
Not what you're looking for?
A roller coaster car starts from rest and rolls down a frictionless track, reaching speed v_f at the bottom.
a. If you want the car to go two times as fast at the bottom, by what factor must you increase the height of the track?
b. Does the answer to part (a) depend on whether the track is straight or not? Explain.
Purchase this Solution
Solution Summary
The increase in height of the roller coaster is calculated to double its speed at ground.
Purchase this Solution
Free BrainMass Quizzes
Intro to the Physics Waves
Some short-answer questions involving the basic vocabulary of string, sound, and water waves.
Basic Physics
This quiz will test your knowledge about basic Physics.
The Moon
Test your knowledge of moon phases and movement.
Introduction to Nanotechnology/Nanomaterials
This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.
Variables in Science Experiments
How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.