Register
A rollercoaster starts at a height of 30m above the ground. At the bottom of a loop. The rollercoaster is at a height of 10m. Approximately, how much gravitational potential energy is lost by a 75kg rider?
55.7k views
2 votes
A rollercoaster starts at a height of 30m above the ground. At the bottom of a loop. The rollercoaster is at a height of 10m. Approximately, how much gravitational potential energy is lost by a 75kg rider?

A. 19.6 joules. Eliminate.
B. 1470 joules.
C. 14,700 joules
D. 22,050 joules

User Tdebroc
by
6.7k points

2 Answers

3 votes

Answer:the answer is c 14,700

Step-by-step explanation:

User Hexception
by
7.6k points
5 votes
Gravitational potential energy is calculated by multiplying mass, height and the acceleration due to gravity.

Gravitational potential energy = mgh
Gravitational potential energy = 75 kg (9.8 m/s^2) ( 30 m)
Gravitational potential energy =22050 joules

Therefore, the correct answer is option D.
User Clocher Zhong
by
7.2k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.6m questions

10.1m answers

Other Questions

At sea level, water boils at 100 degrees celcius and methane  boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
what is a device that transforms thermal energy to mechanical energy
Link Copied!