- Question 5 Not Yet Answered Marked Out Of 5 00 Flag Question The De Newton S Law Of Cooling Dt K T Tm Is Dt Select O 1 (56.39 KiB) Viewed 50 times
Question 5 Not yet answered Marked out of 5.00 Flag question The DE "Newton's Law of cooling" dT =k(T-Tm) is dt Select one: only separable both linear and separable None of the other choices. O only linear neither linear nor separable
Question 6 Not yet answered Marked out of 5.00 Flag question Question [4 points]: The DE: (4+ sinxy) -sin xy) dx + N(x, y)dy = 0 X is an exact differential equation if N(x, y) is equal to Select one: None of these ○ N(x, y) = 2y + sin xy ○ N(x, y) = 2x + ² sin xy ○ N(x, y) = 4 + ON(x, y) = 4 . 1 5 y cos xy cos xy
Question 7 Not yet answered Marked out of 5.00 Flag question Question [4 points]: Which of the following is a proper substitution for the following Bernoulli's equation? xy' 2e 12y - yo 6 = Select one: O u = = yб ○ u = y³ u = y-6 None of these ○ u = y-5
Question 8 Not yet answered Marked out of 5.00 P Flag question Question [5 points]: The population, P(t), of a town increases as the following equation: P(t) = 1000ekt. What is the value of k if the initial population has doubled in 2 years? Select one: k≈ 0.3112 k≈ -0.4131 k≈ 0.2154 None of these Ok≈ 0.3466