As a man walks across a bridge at the rate of 5 ft/sec a boat passes...

 

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As a man walks across a bridge at the rate of 5 ft/sec a boat passes directly beneath him at 10 f/'sec. If the bridge is 30 ft above the water, how fast are the man and the boat separating 3 sec later. As a man walks across a bridge at the rate of 5 ft/sec a boat passes directly beneath him at 10 f/'sec. If the bridge is 30 ft above the water, how fast are the man and the boat separating 3 sec later.

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