Answer:
Please make image clearer
Explanation:
You are too far back please move closer to the paper
Yes I would expect them too
I think that the answe is gasses.
Answer:

Explanation:
1) The moment of inertia of the grindstone is:



answer
v = 4.2
set up an equation
we can use the formula for kinetic energy since we know mass and kinetic energy
K = 
v = 
values
K = 0.013 J
m = 1.5g = 0.0015 kg
plug in values
v = 
v = 4.2