Mathematics, 24.01.2020 02:31 ValeryGi3721
Newton's law of cooling is:
du/dt= -k(u-t)
where u(t) is temperature of an object, t is in hours, t is a constant ambient temperature, and k is a positive constant.
suppose a building loses heat in accordance with newton's law of cooling. suppose that the rate constant k has the value 0.15 hr ? 1 . assume that the interior temperature is ti = 70? f, when the heating system fails. if the external temperature is t = 11? f, how long will it take for the interior temperature to fall to t1 = 32? f?
Answers: 3
Mathematics, 21.06.2019 17:00
Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?
Answers: 1
Mathematics, 21.06.2019 17:30
If i have one apple and give you the apple, how many apples do i have?
Answers: 2
Mathematics, 21.06.2019 20:30
Does the function satisfy the hypotheses of the mean value theorem on the given interval? f(x) = 4x^2 + 3x + 4, [−1, 1] no, f is continuous on [−1, 1] but not differentiable on (−1, 1). no, f is not continuous on [−1, 1]. yes, f is continuous on [−1, 1] and differentiable on (−1, 1) since polynomials are continuous and differentiable on . there is not enough information to verify if this function satisfies the mean value theorem. yes, it does not matter if f is continuous or differentiable; every function satisfies the mean value theorem.
Answers: 1
Newton's law of cooling is:
du/dt= -k(u-t)
where u(t) is temperature of an...
du/dt= -k(u-t)
where u(t) is temperature of an...
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