The doorsill of a campus building is 5 feet above ground level. To allow wheelchair access...
The doorsill of a campus building is 5 feet above ground level. To allow wheelchair access, the steps in front of the door are to be replaced by a straight ramp with constant slope 1/ 12, as shown in the figure. How long must the ramp be? [The answer is not 60 feet.]
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Solutions For Problems in Chapter 1.4
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