Radial fields in R 2 are conservative Prove that the radial field F = r | r | p , where r = 〈 x , y 〉 and p is a real number, is conservative on R 2 with the origin removed. For what value of p is F conservative on R 2 (including the origin)?
Radial fields in R 2 are conservative Prove that the radial field F = r | r | p , where r = 〈 x , y 〉 and p is a real number, is conservative on R 2 with the origin removed. For what value of p is F conservative on R 2 (including the origin)?
Solution Summary: The author explains that a radial field F=f,g,rangle is conservative on any region not containing origin and for what values of p is F conservative.
Radial fields in R2 are conservative Prove that the radial field
F
=
r
|
r
|
p
, where r = 〈x, y〉 and p is a real number, is conservative on R2 with the origin removed. For what value of p is F conservative on R2 (including the origin)?
A driver is traveling along a straight road when a buffalo runs into the street. This driver has a reaction time of 0.75 seconds. When the driver sees the buffalo he is traveling at 44 ft/s, his car can decelerate at 2 ft/s^2 when the brakes are applied. What is the stopping distance between when the driver first saw the buffalo, to when the car stops.
Topic 2
Evaluate S
x
dx, using u-substitution. Then find the integral using
1-x2
trigonometric substitution. Discuss the results!
Topic 3
Explain what an elementary anti-derivative is. Then consider the following
ex
integrals: fed dx
x
1
Sdx
In x
Joseph Liouville proved that the first integral does not have an elementary anti-
derivative Use this fact to prove that the second integral does not have an
elementary anti-derivative. (hint: use an appropriate u-substitution!)
1. Given the vector field F(x, y, z) = -xi, verify the relation
1
V.F(0,0,0) = lim
0+ volume inside Se
ff F• Nds
SE
where SE is the surface enclosing a cube centred at the origin and having edges of length 2€. Then,
determine if the origin is sink or source.
Chapter 17 Solutions
Calculus, Early Transcendentals, Single Variable Loose-Leaf Edition Plus MyLab Math with Pearson eText - 18-Week Access Card Package
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