The area of a circular sunspot is growing at a rate of 800 style=”color:rgb(0,0,0);”> km2/sec How fast is the radius growing at the instant when it equals 10,000 kilometers? How fast is the radius growing at the instant when the sunspot has an area of 640,000 square kilometers?
The area of a circular sunspot is growing at a rate of 800
style=”color:rgb(0,0,0);”> km2/sec
How fast is the radius growing at the instant when it equals 10,000 kilometers?
How fast is the radius growing at the instant when the sunspot has an area of 640,000 square kilometers?