Explain how energy from the sun created music.

-- Energy from the sun was absorbed by grass, grain, and hops, making it possible for them to grow.

-- The grass was eaten by livestock, and turned into stored beef energy.

-- The grain was harvested, pounded into flour, baked, and turned into stored bread energy.

-- The hops were harvested, soaked, and turned into stored beer energy.

-- Johannes Brahms ate beef, which his body turned into brain and muscle energy.  Ludwig van Beethoven drank beer, which his body turned into energy and inspiration.  John Phillip Sousa ate bread, which his body turned into leg energy to march with.

-- All of these individuals, and a lot of others, composed music which nobody had ever heard before, using the solar energy they absorbed from the stuff that they ate and drank.

acceleration = (change in speed) / (time for the change)

change in speed = (20-120)= -100 m/s.

1.5 min = 90 sec

acceleration = -100/90 = -1.11 m/s^2.

we don't care about the 150kg or the 2,500 meters. they don't make any difference.

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be subject to a force andchange its motion