Compression and rarefraction, the other guy's answer it's wrong
The flow of electricity in a certain path is the circuit.
The SI unit of time is second
<h2><u>Answer:</u></h2>
Before the 4p orbit starts to fill, the element must have:
1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰,
which is Zn.
Depending on the number of electrons in the 4p, the element might be Ga to Kr, inclusive
To solve this problem it is necessary to apply the concepts related to the Conservation of Energy. Basically the work done on the body is equal to the existing change in kinetic energy. Mathematically this can be expressed as


Where,
F = Force
d = Distance
m = Mass
v = Velocity
Our values are given as
d = 12m
m = 110kg
v = 20m/s
Replacing to find the force we have that,



Choosing the closest value, the correct answer would be E.