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A worker drops a wrench from the roof of a tall building 100m above the street and at the same instant shouts a warning to the people below. If sounds travels 340 m/s, how long after the warning is heard below does the wrench strike?
7 years ago

Answers

Scott
sound time ... 100 m / 340 m/s

wrench time ... 100 = 1/2 g t^2 = 4.9 t^2
7 years ago

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