Answers by Tim Tyler
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Answers by Tim Tyler

Answers by Tim Tyler
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A string vibrates at a frequency of 20Hz. what is its period?
answered Apr 12, 2017
4 votes
22.3k views
a boy is 17 tears old and his sister is twice as old. when the boy turns 23 yrs old what will be the age of his sister?
answered Aug 19, 2016
1 vote
41.9k views
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