Sunspots The area of a circular sunspot is growing at a rate of 1,200 km^2/sec. a. How fast is the radius growing at the instant when it equals 10,000 kilometers? b. How fast is the radius growing at the instant when the sunspot has an area of 64,000 square kilometers? (Use the area formula to determine the radius at the instant)
Sunspots The area of a circular sunspot is growing at a rate of 1,200 km^2/sec. a. How fast is the radius growing at the instant when it equals 10,000 kilometers? b. How fast is the radius growing at the instant when the sunspot has an area of 64,000 square kilometers? (Use the area formula to determine the radius at the instant)
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter61: Areas Of Circles, Sectors, And Segments
Section: Chapter Questions
Problem 20A: Hydraulic pressure of 705.0 pounds per square inch is exerted on a 3.150-inch diameter piston. Find...
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Sunspots The area of a circular sunspot is growing at a rate of 1,200 km^2/sec.
a. How fast is the radius growing at the instant when it equals 10,000 kilometers?
b. How fast is the radius growing at the instant when the sunspot has an area of 64,000 square kilometers? (Use the area formula to determine the radius at the instant)
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