Bubbles Provide The Opportunity To Study Concepts Such As Elasticity And Surface Tension. The Surface Area Of A Bubble Is A= 4tr Wherer Is The Length Of The Radius. If The Surface Area Increases At A Rate Of 6 Cm Per Second, At What Rate Is The Radius Increasing At The Instant The Length Of The Radius Is 2cm?

 

Bubbles provide the opportunity to study concepts such as elasticity and surface tension. The surface area of a bubble is A= 4r where r is the length of the radius. If the surface area increases at a rate of 6 cm rate is the radius increasing at the instant the length of the radius is 2cm? 3 4 per second, at what 3 1677 32 3 8 1677