Answer :
Final answer:
Without the height of the roller coaster cart above the lowest point, we cannot calculate the exact gravitational potential energy. The student needs to provide the height to find the correct potential energy value from the given choices.
Explanation:
The student's question pertains to calculating the gravitational potential energy (PEg) of a roller coaster cart relative to the lowest point on the track. To compute this, we can use the formula for gravitational potential energy, PEg = mgh, where m is the mass of the roller coaster cart, g is the acceleration due to gravity, and h is the height above the lowest point of the track. However, without the height h being provided, we cannot solve for the exact value. Normally, the gravitational potential energy would increase as the height increases, and it would be maximum at the highest point of the track.
The answer choices A) 1,218.2 J, B) 1,215.2 J, C) 12,182 J, and D) 1,218 J indicate a specific value for potential energy, but without the height, we cannot select the correct answer. The student should look for the height value in the problem statement to proceed with the calculation.
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