Physics: Ablock oscillating on a spring has an amplitude of 20 cm. what will the amplitude be if the total energy is doubled? explain.

Ablock oscillating on a spring has an amplitude

Ответ:

jpsaad00

15.01.2022

Physics

When the energy doubled, the amplitude become "28.28 cm".

Given:

Amplitude, A = 20 cm

As we know the relation,

→ $E = U = \frac{1}{2}kA^2$

When the energy is doubled, we get

→ $2E = \frac{1}{2}kA'^2$

→ $A' = \sqrt{2A}$

By substituting the value, we get

$= 1.414\times 20$

$= 28.28 \ cm$

Thus the above response is right.

Learn more about amplitude here:

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Ответ:

ayoismeisalex

15.01.2022

Physics

28.28 cm

Explanation:

Given

Amplitude $A=20\ cm$

Total energy of system is equal to the Elastic Potential Energy of the spring mass system at maximum amplitude which is given by

$E=U=\frac{1}{2}kA^2$

$E=\frac{1}{2}kA^2$

When energy is doubled then

$2E=\frac{1}{2}kA'^2$

$2\times \frac{1}{2}kA^2= \frac{1}{2}kA'^2$

$A'=\sqrt{2}A$

$A'=1.414\times 20$

$A'=28.28\ cm$

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Ответ:

cooltez100

18.06.2021

Physics

You should have noticed that the number of atoms in the reactants is the same as the number of atoms in the product. The number of atoms is conserved during the reaction. However, you will also see that the number of molecules in the reactants and products are not the same.

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Ablock oscillating on a spring has an amplitude of 20 cm. what will the amplitude be if the total energy is doubled? explain.

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