I believe that it is electric field
Answer:
![f2/f1 = \sqrt{2}](https://tex.z-dn.net/?f=%20f2%2Ff1%20%3D%20%5Csqrt%7B2%7D%20)
Explanation:
From frequency of oscillation
![f = 1/2pi *\sqrt{k/m}](https://tex.z-dn.net/?f=%20f%20%3D%201%2F2pi%20%2A%5Csqrt%7Bk%2Fm%7D%20)
Initially with the suspended string, the above equation is correct for the relation, hence
![f1 = 1/2pi *\sqrt{k/m}](https://tex.z-dn.net/?f=%20f1%20%3D%201%2F2pi%20%2A%5Csqrt%7Bk%2Fm%7D%20)
where k is force constant and m is the mass
When the spring is cut into half, by physics, the force constant will be doubled as they are inversely proportional
![f2 = 1/2pi *\sqrt{2k/m}](https://tex.z-dn.net/?f=%20f2%20%3D%201%2F2pi%20%2A%5Csqrt%7B2k%2Fm%7D%20)
Employing f2/ f1, we have
![f2/f1 = \sqrt{2}](https://tex.z-dn.net/?f=%20f2%2Ff1%20%3D%20%5Csqrt%7B2%7D%20)
The Answer is C. The outer shell electrons are the electrons which are involved with chemical reactions and bonding. All elements in the same group have different number of total electrons but ALL have the same number of outer shell electrons. This is why they exhibit similar chemical properties.
Explanation:
Work done is the force applied to move a body through a specific or particular direction.
It is also the difference in the amount of energy expended in using an effort.
Work done is given as;
Work done = F x d CosФ
F is the force applied
d is the displacement
Ф is the angle
The unit of work done is in Joules.