An oil slick is expanding as a circle. The radius of the circle is increasing at the rate of 35 meters per day. Express the area A of the circle as a function of d, the number of days elapsed, where A is measured in square meters. A Aircraft Is Climbing At A 30 Degree Angle To The Horizontal. How Fast Is The Aircraft Gaining Altitude If Its Speed Is 600 Mi/H? Answer:

 

 

A aircraft is climbing at a 30 degree angle to the horizontal. How fast is the aircraft gaining altitude if its speed is 600 mi/h? Answer: