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kdencemartin
13.07.2019 •
Physics
Acar is driving northwest at v mph across a sloping plain whose height, in feet above sea level, at a point n miles north and e miles east of a city is given by h(n,e)=1500+75n+50e. (a) at what rate is the height above sea level changing with respect to distance in the direction the car is driving?
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Ответ:
Given:
Define
Then the rate of change of h with respect to the vector v is
17.7 ft per mile
Ответ: