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A wave pulse travels along a string at a speed of 160 cm/s. Note that parts a - d are independent and refer to changes made to the original string.
a) Find what will be the speed if the string tension is doubled?
b) Find what will be the speed if the string's mass is quadrupled (but its length is unchanged)?
c) Find what will be the speed if the string's length is quadrupled (but its mass is unchanged)?
d) Find what will be the speed if the string's mass and length are both quadrupled?
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