Home
Class 12
MATHS
A balloon is pumped at the rate of 4 cm^...

A balloon is pumped at the rate of `4 cm^3//s`. What is the rate at which its surface area increases when its radius is 4 cm ?

A

`1 cm^2//s`

B

`2 cm^2//s`

C

`3 cm^2//s`

D

`4 cm^2//s`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A ballon is pumped at the rate of 4cm^(3) per second what is the rate at which its surface area increase and radius is 4 cm?

A sphere increases its volume at the rate of pi cm^(3)//sec . The rate at which its surface area increases when the radius is 1 cm is

A balloon is pumped at the rate of a cm^3 /minute. The rate of increase of its surface area when the radius is b cm , is

The volume of a sphere is increasing at the rate of 8cm^(3)//s . Find the rate at which its surface area is increasing when the radius of the sphere is 12 cm.

6) The volume of a spherical balloon is increasing at the rate of 20cm/sec. Find the rate of change of its surface area at the instant when its radius is 8cm.

A copper sphere is being heated. Its volume as a result of increasing at the rate of 1mm^(3) every second. Find the rate at which its surface area is increasing when its radius 10 cm.

The volume of a spherical balloon is increasing at the rate of 20 cm^3/sec . Find the rate of change of its surface area at the instant when radius is 5 cm.

The volume of a sphere increase at the rate of 20cm^(3)//sec . Find the rate of change of its surface area when its radius is 5 cm