(a) Suppose two resistors are connected in parallel with resistances R1 and R2 measured in Ohms (N). The total resistance R is given by 1 1 + R1 1 R2 Suppose R1 is increasing at a rate of 1/4 N/s and R2 is increasing at a rate of 1/16 N/s. At what rate is R changing R when R1 = 1/2 N and R2 =1/4 N.

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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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(a) Suppose two resistors are connected in parallel with resistances Rị and R2 measured in Ohms (N). The total
resistance R is given by
1
1
1
R
R1
R2
Suppose R1 is increasing at a rate of 1/4 2/s and R2 is increasing at a rate of 1/16 N/s. At what rate is R changing
when R1 = 1/2 N and R2 = 1/4 N.
(b) Car A is traveling North at a rate of 60 mi/hr, car B is traveling West at a rate of 45 mi/hr. The cars are on
straight roads approaching an intersection point. At what rate is the distance between the cars changing when Car A
is 3 miles from the intersection and Car B is 4 miles from the intersection.
Transcribed Image Text:(a) Suppose two resistors are connected in parallel with resistances Rị and R2 measured in Ohms (N). The total resistance R is given by 1 1 1 R R1 R2 Suppose R1 is increasing at a rate of 1/4 2/s and R2 is increasing at a rate of 1/16 N/s. At what rate is R changing when R1 = 1/2 N and R2 = 1/4 N. (b) Car A is traveling North at a rate of 60 mi/hr, car B is traveling West at a rate of 45 mi/hr. The cars are on straight roads approaching an intersection point. At what rate is the distance between the cars changing when Car A is 3 miles from the intersection and Car B is 4 miles from the intersection.
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