Answer:
Negative
Explanation:
If the box is heading right in the positive direction, the work will be negative. The spring has an opposite force to that of the box.
Hope this helped. :)
a). Water is still H₂O after it freezes.
b). Ice is still H₂O after it melts.
c). Wire is still Cu when it's bent.
d). Paper combines with the O₂ in the air, and turns into
a lot of new compounds when it burns.
Answer:
is 3 and 2
Explanation: the firth one is 3 and the 2
It’s doesn’t change meaning it’s 0
Answer:
Gas Bubbles Appear,
Formation of a Precipitate,
Color Change,
Temperature Change,
Production of Light,
Volume Change,
Change in Smell or Taste
Explanation:
