A0.46-kg cord is stretched between two supports, 7.2 m apart. when one support is struck by a hammer, a transverse wave travels down the cord and reaches the other support in 0.74 s.
what is the tension in the cord? (express your answer to two significant figures and include the appropriate units.
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A0.46-kg cord is stretched between two supports, 7.2 m apart. when one support is struck by a hammer...
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