<span>7.8x102
x 1.95x10<span>3 this is the answer mate
</span></span>
Answer:
zero
When a Body start a from rest ,its initial velocity is zero.
Number 4 I think
the atomic mass is 11 because the mass is the sum of protons and neutrons
I got you kid It’s A- 2.5m/sb
Mater doesn't just appear or disappeared. Chemical elements are still there just the connections and how it combines changes.
So what goes into your chemical eqation must still exist after the change.