Find the kinetic energy, gravitational potential energy, and total mechanical energy at each of the five points listed below using the information provided. A 20-kg ball is dropped down a ramp at position A at a height of 400m. Assume that each position on the ramp is equidistant from the other and that there is no friction. Show your work please!

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as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

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h o h o hope you have a merry christmas!