Which of the solids from the table above could you claim are both made of the same type of particle throughout, making it a substance?
A student makes some observations about three solids and summarizes the results in the table below.
Sample
Mass
Hardness
(as measured on Mohs scale)
Color
Solid 1
10.28
8
white
Solid 2
3.48
white
Solid 3
3.48
3
white
Only solids 1 and 2
Only solids 2 and 3
All of the solids

Which of the following electromagnetic waves can create ions?

Plz mark brainliest 30 points1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s.2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?

A0.100-kilogram apple hangs in a tree 1.50 meter above the ground. ignore frictional effects, the total mechanical energy of the apples is