- #1
tigers4
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Homework Statement
A glass ball of radius 2.40 cm sits at the bottom of a container of milk that has a density of 1.03 g/cm3. The normal force on the ball from the container's lower surface has magnitude 7.50 *10^-2 N. What is the mass of the ball?
Homework Equations
Fb=Mf*g
d=M/V
4/3pir^3=V
The Attempt at a Solution
Fb+(7.5*10^-2)=Mball*g
but it says I am wrong