# Homework Help: Mass of soil scooped

1. Apr 11, 2014

### ExoP

1. The problem statement, all variables and given/known data

Hi,

I really need help with a problem. I have a plate and need to calculate how much soil it can dig.
2. Relevant equations

3. The attempt at a solution[/b
I first calculated the volume of the scoop (a square scoop) and after that I'm stuck. Anyone have an idea?

Volume of scoop: 0.009 m3 (I calculated this)
density of soil: 1400 kg/m3

How much soil can it hold?

2. Apr 11, 2014

### BvU

If the volume were 1 m3, how many kg of soil would go in ?
If it were 0.1 m3 ? 0.2 ? 0.01 ? 0.009 ?

How can a square scoop have a volume ?

3. Apr 11, 2014

### BvU

Hey, you were my 1000 th p: ! Congrats!

4. Apr 11, 2014

### ExoP

That's true. Well, imagine a box with no top. It has a thickness, width, length and height.
From that, how am I going to calculate how much soil it can contain? Maybe should start with that

hehe, np

5. Apr 11, 2014

### BvU

I still don't understand where you encounter a problem here: You have a volume and you have a weight per unit volume, so calculating the weight of this particular volume is straightforward. Right ?

If 1 m3 weighs 1400 kg, how much does 2 m3 weigh? And 0.5 m3 ? 0.1 m3 ? 0.2 ? 0.01 ? 0.009 ?