johnathanwallace147 johnathanwallace147

01-03-2019
Mathematics

contestada

If a roller coaster has the potential energy of 250 Joules right before it plunges down the track, what is its potential energy half way through the run?

Respuesta :

Аноним Аноним

01-03-2019

Answer:

130 joules.

Step-by-step explanation:

Potential energy at height h = mgh where m = mass, g = acceleration due to gravity.

At the halfway mark the where the height is h/2 then the potential energy is 1/2 * 260 = 130 joules.

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