Consider the semicircle r(t) = a cos(t)i + a sin(t)j with 0 0. For a given vector field F, the flux across r(t) is (F· N) ds. (a) ds = a Σ dt (b) N = Σ If our vector field is F1 = 10xi – 7yj, then we have the flux being (F1. N)ds. (c) F1 (r(t)) (10a(cost))i-(7a(sint))i Σ (d) As such, (F N) ds = ((10a(cost))i-(7a(sint)))(ac E Now, if our vector field is F, = 3zi + 9(* – ylj, then we have the flux being (F2 · N)ds. (e) F; (г(+)) — Σ (f) As such, (F2· N) ds = Σ
Consider the semicircle r(t) = a cos(t)i + a sin(t)j with 0 0. For a given vector field F, the flux across r(t) is (F· N) ds. (a) ds = a Σ dt (b) N = Σ If our vector field is F1 = 10xi – 7yj, then we have the flux being (F1. N)ds. (c) F1 (r(t)) (10a(cost))i-(7a(sint))i Σ (d) As such, (F N) ds = ((10a(cost))i-(7a(sint)))(ac E Now, if our vector field is F, = 3zi + 9(* – ylj, then we have the flux being (F2 · N)ds. (e) F; (г(+)) — Σ (f) As such, (F2· N) ds = Σ
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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