Solving Density Problems Video Lessons

Video Thumbnail

Concept

Problem: The surface area of a ball is measured to be A = 95 cm2.(a) Write an equation for the radius of the ball, r, treating it as a sphere, in terms of its surface area. (b) The mass is measured to be M = 45 g. Calculate its density ρ in g/cm3. (c) What is the density Pkg/m3 in kg m3?

FREE Expert Solution

(a) Surface area of a sphere:

A=4πr2

Solving for r:

98% (94 ratings)
View Complete Written Solution
Problem Details

The surface area of a ball is measured to be A = 95 cm2.

(a) Write an equation for the radius of the ball, r, treating it as a sphere, in terms of its surface area. 

(b) The mass is measured to be M = 45 g. Calculate its density ρ in g/cm3

(c) What is the density Pkg/m3 in kg m3?

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Solving Density Problems concept. You can view video lessons to learn Solving Density Problems. Or if you need more Solving Density Problems practice, you can also practice Solving Density Problems practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor TBA's class at AU.