Snow Plow Problem

Calculus Level 2

One morning is starts to snow at a constant rate. Later, at 6:00am, a snow plow sets out to clear a straight street. The plow can remove a fixed volume of snow per unit time, in other words its speed it inversely proportional to the depth of the snow. If the plow covered twice as much distance in the first hour as the second hour, what time did it start snowing?

It started snowing at (5^1/3-1)/3 hours before 6:00 am, or 5:23:56 am It started snowing at (5^1/2-1)/2 hours before 6:00am, or 5:22:55am. 4 hours before 6 am 3 hours before 6 am

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