Answer:
light scattering by particles in a colloid or in a very fine suspension
The heavier it is the more frictions it creates sliding on the floor. this make more kinetic energy.
Answer:
2
1
2
1
3
1
Explanation:
I'm pretty sure these are right. you might want to go back and check the first and third, but the other 4 are right
Answer:
the force of the friction is A-0.52
