Answer:
speed is the rate of change in distance thus it is scalar physical quantity
while velocity is the rate of change in displacement thus it is a vector physical quantity
Explanation:
vector physical quantity: is a quantity that requires both magnitude and direction to identify
scalar quantity: requires only magnitude to identify.
Active Optics.
Hope that helps, Good luck! (:
Answer:
D. Uranium
Explanation:
I just got the answer right on my quiz.
It means that you consider the elements as a list organized by atomic number, the property is seen to repeat over and over as you move through that list.
If the temperature increases, then pressure increases too. (T<span>he molecules in the gas move faster, exerting a greater force. This </span>increases t<span>he </span>pressure<span>.)</span>
