<u>Given:</u>
Force (F) acting on the box = 30 N
Acceleration produced (a) = 5 m/s2
<u>To determine:</u>
The mass (m) of the box
<u>Calculation:</u>
Formula: F = ma
m = F/a = 30/ 5 = 6 kg
<u>Ans</u>: Mass of the box is 6 kg
The minimum amount of energy that has to be added to start a reaction is the activation energy, which starts the reaction. It activates it.
Answer:
The level of the water will be higher for 100g Al because occupy more space than gold.
Explanation:
To understand this problem, we must know Archimedes' principle:
"A body that is submerged in a fluid produce a bouyant force equal to the weight of the fluid that the body displaces". The volume of the body is equal to the volume displaced in the liquid.
Now, as gold is heavier than aluminium, 100g of Al have more volume than 100g of gold, than means:
<h3>The level of the water will be higher for 100g Al because occupy more space than gold.</h3>
The correct answer is A, opposite spin of two electrons.
I hope this helped xoxoxo
- Lauren
