Question:

Science??????

by Guest66251  |  earlier

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1.)a stone was dropped into a pool of water and created waves

describe one energy transfer or transformation thats happens in this situation

Identify the energy before and after the energy is transfored

2.)the same as above but with sound waves ...........when it moves from a guitar string to your ear

3.)As a wave changes mediums what happens to the speed

increases... decreases....stays the same...not enough info

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3 ANSWERS


  1. The stone had potential energy from its highest point.

    The stone has kinetic energy from movement as it fell.

    As it hit the water the energy was transferred to the water in the form of wave energy

    A guitar string is plucked by mechanical energy

    the string is caused to vibrate and a sound wave is produced

    the air particles cause the ear drum, the 3 bones and the cochlea to vibrate

    As a wave goes from a less dense to a denser medium it slows down. There really is not enough information to answer your question in total


  2. as a particle moves from one medium to da other ...

    1. in reflection.....da energy increses.or sometimes even gets decreases.......

    2.in...refraction..da particle bends....and gets attracted to da medium....through magnatism.or electrically.........

    i think tat helps.........

  3. Ugh this is that Frequency stuff? I dunno, don't remember much of that.

    http://en.wikipedia.org/wiki/Frequency That might help. :D
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