subject
Physics, 20.04.2021 23:40 SavageKidKobe

As shown below, a 450-kg roller-coaster car starts from rest at point A at a height of 47 m the track, reaching point B and then rolls up a second hill where it reaches a height of 23 m at point C). What are the gravitational potential energy and kinetic energy of the car when it is at points A, B, and C? What are the velocities at point B and C?


As shown below, a 450-kg roller-coaster car starts from rest at point A at a height of 47 m the tra

ansver
Answers: 1

Another question on Physics

question
Physics, 21.06.2019 21:00
Which type of circuit is becoming more common in residential electrical design and construction? a. hazardous-area circuit b. three-phase circuit c. 480-volt circuit d. communication circuit
Answers: 1
question
Physics, 22.06.2019 11:50
An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field
Answers: 3
question
Physics, 22.06.2019 18:30
A1000-kg car is moving at 30 m/s around a horizontal unbanked curve whose diameter is 0.20 km. what is the magnitude of the friction force required to keep the car from sliding?
Answers: 3
question
Physics, 23.06.2019 02:30
If a car has a speed of 20 m/s, how long will it take to go 155 m? a. 3100 s b. 135 s c. 2.1 s d. 7.8 s
Answers: 1
You know the right answer?
As shown below, a 450-kg roller-coaster car starts from rest at point A at a height of 47 m the trac...
Questions
question
Mathematics, 06.11.2019 07:31
Questions on the website: 13722360