2.4 ounces is the average weight of a hot wheels car.
Answer:
electron shell
Explanation:
the proton and nucleus are inside the electron shell so the arrow is point on the outer shell which is the electron shell.
In a cold pack, an endothermic reaction draws heat from the surroundings, although there are several different types of cold packs, some with different reactions.
That is -300 J, because the work = the force times the distance. When the distance is a positive value when it is going down, the distance is a negative value when it is going up. The only thing that change is the minus, the absolute value of the work remains the same
