Answered: The radius of a sphere increases at a…

The radius of a sphere increases at a rate of 4m/sec. Find the rate at which the surface area increases when the radius is 7m. О 224т т /sec O 1127 m²/sec

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter19: Achievement Review—section One

Section: Chapter Questions

Problem 31AR: A shaft is turned in a lathe at 120 revolutions per minute. The cutting tool advances 0.030 inch per...

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Concept explainers

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.

Question

The radius of a sphere increases at a rate of
4m/sec. Find the rate at which the surface
area increases when the radius is 7m.
О 224т т-/sec
m2,
O 112™ m² / sec
О 56л т-/sec
2
O 14ª m²/sec
О 28п
28T m2/sec

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