Problem 5: Snowmobiles, Ice, and Water What is the minimum speed to avoid sinking when using a snowmobile to travel across freshwater, in miles/hour [mph]? Assume the snowmobile plus rider

weigh 700 lb, the snowmobile is inclined at an angle of 20°, and that the snowmobile displaces a strip of water that is 2 ft wide(i.e., into the page) and 3 in deep (see illustration).

Fig: 1

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Fig: 3