Puk

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electromagnetism

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Answers

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48

Why do higher harmonics have a lower amplitude than the fundamental frequency?

Jul 5, 2020

35

Is it possible to convert gravitational energy directly into electrical energy?

May 1, 2022

18

Does amplitude really go to infinity in resonance?

Apr 16, 2022

17

Does Hooke's Law apply to all springs?

Mar 6

15

Why isn't the Doppler effect (for sound waves) symmetric with respect to source and receiver?

Jun 12, 2020

Questions

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8

Newton's 2nd law for rolling motion with changing moment of inertia

Jun 28, 2020

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electromagnetism

129

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newtonian-mechanics

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string

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6

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energy

65

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11

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electrostatics

64

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43

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Reputation

+75

Addition of forces on a rigid body instead of a point

+10

Does current flow equally through the cross section of a wire in DC?

+43

Can a frictionless brachistochrone provide maximum range when projecting a mass on exit?

+15

Semiconductor conductivity increases but Fermi level decreases

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