The potential energy of a spring is a. inversely proportional to the square of the amount b. the spring that is stretched from i
1 answer:
Answer:
c) proportional to the square of the amount the spring that is stretched from its equilibrium length
Explanation:
according to Hooke's law, the elastic potential energy of a spring is:
where:
K is the spring constant
x is the distance that the spring's is compressed.
as you can notice the distance is squared, so the energy is proportional to the square of the compressed distance.
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Answer:
The electric field always decreases.
Explanation:
The electric field due to a point charge is given by :
Where
k = electric constant
q = charge
r = distance from the charge
It is clear from the above equation that as the distance from the charge particle increases the electric field decreases. As you move away from a positive charge distribution, the electric field always decreases. Hence, the correct option is (c) "Always decreases".