The second hand of a clock has a length of 0.30 m., Ask an Expert

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Q. The second hand of a clock has a length of 0.30 m. What distance does the tip of the second hand sweep through in 3 minutes and 45 seconds?

Q. If the elastic limit of steel is 5.0 108 Pa, determine the minimum diameter a steel wire can have if it is to support a 71 kg circus performer without its elastic limit being exceeded.
mm

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