Answer:
<em><u>a </u></em><em><u>house</u></em><em><u> </u></em><em><u>or </u></em><em><u>a </u></em><em><u>land</u></em><em><u> </u></em><em><u>is </u></em><em><u>used </u></em><em><u>to </u></em><em><u>secure</u></em><em><u> a</u></em><em><u> </u></em><em><u>mortgage</u></em><em><u> </u></em><em><u>loan</u></em>
the answer is c: kilogram
explanation: The standard International System of Units (SI) unit of mass is the kilogram (kg). The kilogram is 1000 grams (g), first defined in 1795 as one cubic decimeter of water at the melting point of ice.
Answer: Potassium(K)
Explanation:
its an alkali metal placed under sodium and its over rubidium, its also the first element of period 4
Answer:
The energy in its ground state is 10 meV.
Explanation:
It is given that,
The energy of the electron in its first excited state is 40 meV.
Energy of the electron in any state is given by :
For ground state, n = 1
.............(1)
For first excited state, n = 2
.............(2)
Dividing equation (1) and (2), we get :
So, the energy in its ground state is 10 meV. Hence, this is the required solution.
Since both heat and work can be measured and quantified, this is the same as saying that any change in the energy of a system must result in a corresponding change in the energy of the surroundings outside the system. In other words, energy cannot be created or destroyed.