A balloon rises straight up from the corner of 69th and Normal, at 10 ft/sec. What is the rate of…

A balloon rises straight up from the corner of 69th and Normal, at 10 ft/sec. What is the rate of change of the angle of elevation between the balloon and an observer 100 feet away from the corner when the balloon is 100 feet high?

"Get 15% discount on your first 3 orders with us"
Use the following coupon
"FIRST15"

Order Now