density Flashcards
1
Q
how to calculate volume of regular objects
A
a: rectangle
length•width•height
v=lwh
b: cylinder
pi • radius^2 • height
pi= 3.14
2
Q
what is outcome of combining substances
A
separate by their densities
3
Q
relative density
A
you can estimate an objects density by where it lands between substances with known densities
4
Q
how to calculate density
regular objects
A
mass/volume
divide mass by volume