Answer:
there is no change because a physical change only changes the physical appearance of a substance
Explanation:
a chemical change is the only change that can change a substance since it changes the chemical properties of the substance, hence making a new substance
Answer:
this was 2 weeks ago, but im pretty sure the correct answers are:
B=c
C=d
D=b
hope this helps and is correct :)
Answer:
Explanation:
Given
mass of marble
velocity of marble
mass of second marble
Velocity of second marble
After collision 13.5 gm marble moves to the right at i.e.
Conserving momentum
Answer: 52.
Explanation: Critical Thinking When a ball is thrown vertically up, it keeps going up until it hits a certain position, and then falls down. At the maximum point, the velocity is instantaneously zero.
I may or may not be a nerd lol.
Hope This Helps!!! : )