Answer:
The speed of the animals is 1.64m/s.
Explanation:
Let us work with variables and call the mass of the two rats and , and the length of the rod .
Using the law of conservation of energy, which says the potential energies of the rats must equal their kinetic energies, we know that when the rod swings to the vertical position,
,
solving for , we get:
Putting in the values for , , , and we get:
Therefore, as the rod swings through the vertical position , the speed of the rats is 1.64 m/s.
It is the 'crest' part that the green arrow is identifying.
Answer:
Explanation:
is the magnetic quantum number.
The only possible value for the magnetic quantum number for an electron in an s orbital is 0.
The first three quantun numbers are:
- n: principal quantum number. It may have positive integer values: 1, 2, 3, 4,5, 6, 7, ...
- : Azimuthal or angular momentum quantum number. It may have integer values from 0 to n - 1.
This quantum number is related to the type (or shape) of the orbital:
For s orbitals
For p orbitals
For d orbitals
For f orbitals
In this case, it is an s orbital, so we have .
- , the third quantum number can have integer values to
Since, for the s orbitals , the only possible value for is zero.
Diagram B .... light shines through at an angle