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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 ene…

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 ene…
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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
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2 Answers

3 votes

Answer:the answer is c 14,700

Step-by-step explanation:

User Hexception
by
8.7k 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
8.4k points
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