Answer:
0.5 eV
Explanation:
= Initial potential energy =
= Final potential energy
= Initial width
= Final width =
Energy of an electron in a one-dimensional trap is given by
From the equation we get
So,
The ground state energy will be 0.5 eV
Answer:
The answer would be 11.6 g/m^3
Explanation:
Knowing that vapor's density at 100% humidity is 20g/m^3 we can calculate the answer using the following math:
0.58 * 20 = 11.6 grams per cubic meter
the units can also be written as g/m^3
Answer:
Explanation:
The momentum of an object is given by .
Plugging in values, we have:
.
1) lighting a match stick
2) permanent
3) physical
Answer:
velocity = 16.67[m/s]
Explanation:
To solve this problem we must use the following expression of speed, where we see the relationship between displacement and time.
velocity = displacement/time [m/s]
displacement = 50 [m]
time = 3 [s]
velocity = 50/3
velocity = 16.67[m/s]