Question

You are testing a new amusement park roller coaster with an empty car with a mass of 100 kg. One part of the track is a vertical loop with a radius of 12.0 m. At the bottom of the loop (point A) the car has a speed of 25.0 m/s and at the top of the loop (point B) it has speed of 8.00 m/s. A) As the car rolls from point A to point B, how much work is done by friction? Express your answer in joules.

Name: you are testing a new amusement park roller coaster with an empty car with a mass of 100 kg one part of the track is a vertical loop with a radius of 120 m at the bottom of the loop point a 20949
Uploaded: 2022-06-14T06:52:13-08:00
Duration: 3 min 33 s
Channel: Sufiyan Alam
Description: you are testing a new amusement park roller coaster with an empty car with a mass of 100 kg one part of the track is a vertical loop with a radius of 120 m at the bottom of the loop point a 20949

          You are testing a new amusement park roller coaster with an
empty car with a mass of 100 kg. One part of the
track is a vertical loop with a radius of 12.0 m. At
the bottom of the loop (point A) the car has a speed
of 25.0 m/s and at the top of the
loop (point B) it has speed
of 8.00 m/s.
A)
As the car rolls from point A to point B, how
much work is done by friction?
Express your answer in joules.

Added by Abigail R.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Sufiyan Alam

06/14/2022

Step 1

Given: Mass (m) = 100 kg Acceleration due to gravity (g) = 9.8 m/s^2 Displacement (d) = 24 m Work done by gravity (Wg) = -mgh Wg = -100 kg * 9.8 m/s^2 * 24 m Wg = -23520 J Show more…

Show all steps

Thanks for your feedback!

You are testing a new amusement park roller coaster with an empty car with a mass of 100 kg. One part of the track is a vertical loop with a radius of 12.0 m. At the bottom of the loop (point A) the car has a speed of 25.0 m/s and at the top of the loop (point B) it has speed of 8.00 m/s. A) As the car rolls from point A to point B, how much work is done by friction? Express your answer in joules.