Ordinary watch with a second hand adequate

Reference no: EM13840414

The Rio Grande Gorge Bridge passes 172 m above the gorge below.If you want to measure this height to 10% by timing the fall of a stone dropped from thebridge across the gorge, how accurately must you measure the time? Is an ordinary watchwith a second hand adequate for this task or do you need a stop watch? Explain your answer.You may neglect the affects of air resistance and the time it takes sound to travel the172 m from the bottom of the gorge to your ears.

Reference no: EM13840414

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