Homework Help: Physics

Posted by Lesley on Sunday, February 27, 2011 at 6:17pm.

A children’s roller coaster is released from the top of a track. If its maximum speed at ground level is 8 m/s, find the height it was released from.

Physics - drwls, Sunday, February 27, 2011 at 7:18pm
(1/2)MVmax^2 = M g H

Cancel out the M's and solve for H.

(This neglects friction and extra rotational kinetic energy of the wheels. It will give you an approximate answer that is an upper bound)

Answer this Question

Related Questions

Physics - The track near the top of your favorite roller coaster has a circular ...
Physics - The track near the top of your favorite roller coaster has a circular ...
Physics 1 - Consider a roller coaster that moves along the track shown in the ...
Repost-Physics 1 - Consider a roller coaster that moves along the track shown in...
physics - A roller coaster track is designed so that the car travels upside down...
Physics! - A roller coaster track is designed so that the car travels upside ...
physics - Consider a roller coaster as it travels near the bottom of its track ...
physics - A roller coaster of mass 1000.0 kg passes point A with a speed of 1.80...
PHYSICS HELP! - A frictionless roller coaster is given an initial velocity of v0...
physics - The mass of a roller-coaster car, including its passengers, is 481 kg...

For Further Reading

First Name:
School Subject:
Answer: