Y ydjgdi3 New member Joined Mar 18, 2020 Messages 1 Mar 18, 2020 #1 When a metal sphere expands under heating, its surface area increases by 14.49%. a) Find the percentage change in the diameter of the metal sphere. b) Find the percentage change in the volume of the metal sphere.
When a metal sphere expands under heating, its surface area increases by 14.49%. a) Find the percentage change in the diameter of the metal sphere. b) Find the percentage change in the volume of the metal sphere.
firemath Full Member Joined Oct 29, 2019 Messages 602 Mar 18, 2020 #2 Do you know the formula for those two measurements of a sphere? If you do, use the percent of surface area that you have and work backward.
Do you know the formula for those two measurements of a sphere? If you do, use the percent of surface area that you have and work backward.
Steven G Elite Member Joined Dec 30, 2014 Messages 14,603 Mar 18, 2020 #3 What is the formula for the surface area of a sphere? What has to change for the surface area to increase by 14.49%?
What is the formula for the surface area of a sphere? What has to change for the surface area to increase by 14.49%?
