Yes. a physical change is only modifying the structure of it.
a chemical change is permanently changing something.
cutting cheese into slices is a physical change
cooking an egg is a chemical change
Explanation:
63 kg ice skater finishes her performance and crossed the finish line with a speed of 10.8 m/s
X=1/2 at^2
3.1=1/2 a *0.64
a=9.68
v=at
v=0.8*9.6875=7.75
Answer:
The number of protons in the atom!
Explanation:
