Chapter 4: Problem 28
\(d\left(e^{5 x}+x^{5}\right)\)
Chapter 4: Problem 28
\(d\left(e^{5 x}+x^{5}\right)\)
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Get started for freeMultiple Choice If \(y=\tan x, x=\pi,\) and \(d x=0.5,\) what does \(d y\) equal? \(\begin{array}{lll}{\text { (A) }-0.25} & {\text { (B) }-0.5} & {\text { (C) } 0} & {\text { (D) } 0.5}\end{array}\) (E) 0.25
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Motion along a Circle A wheel of radius 2 ft makes 8 revolutions about its center every second. (a) Explain how the parametric equations \(x=2 \cos \theta, \quad y=2 \sin \theta\) \(x=2 \cos \theta, \quad y=2 \sin \theta\) (b) Express \(\theta\) as a function of time \(t\) . (c) Find the rate of horizontal movement and the rate of vertical movement of a point on the edge of the wheel when it is at the position given by \(\theta=\pi / 4, \pi / 2,\) and \(\pi .\)
Minting Coins A manufacturer contracts to mint coins for the federal government. The coins must weigh within 0.1\(\%\) of their ideal weight, so the volume must be within 0.1\(\%\) of the ideal volume. Assuming the thickness of the coins does not change, what is the percentage change in the volume of the coin that would result from a 0.1\(\%\) increase in the radius?
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