From the change of GPE into KE. Conservation of energy tells us this.
Answer:
Free body diagrams are used to describe situations where several forces act on an object. On the other hand Vector diagrams are used to resolve (break down) a single force into two forces acting as right angles to eachother
Explanation:
Hope this helps !
Answer:
#they react with oxygen to form basic oxides.
#they react with water to produce hydrogen and oxides
#they react with acids to produce H+
