You Are Holding on to One End of a Long

question 20

Multiple Choice

You are holding on to one end of a long string that is fastened to a rigid steel light pole. After producing a wave pulse that was 5 mm high and 4 cm wide, you want to produce a pulse that is 6 cm wide but still 5 mm high. You must move your hand up and down once,

• A) the same distance up as before, but take a shorter time.
• B) the same distance up as before, but take a longer time.
• C) a smaller distance up, but take a shorter time.
• D) a greater distance up, but take a longer time.
• E) a greater distance up, but take the same time.

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