From the change of GPE into KE. Conservation of energy tells us this.
Answer: Noise above 70 dB can cause hearing damage
Explanation:
<span>The cation is positively charged and has a charge twice that of the anion, for example +2.
The anion is negatively charged and in our example where the cation has a +2 charge, it must have a -1 charge.
In order for the charges to equal zero, there must be two anions: -1 x 2 = -2
So the answer is D. AX2</span>
Answer:
use a=v-u/t formula it will be correct