User JD_PM

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Question on flywheels and angular momentum

answered Nov 14, 2019 at 9:00

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Derivation of Alfven wave

answered Feb 15, 2020 at 22:53

2 votes

Why are the final velocities of two objects perpendicular to each other when undergoing a particular case of elastic collision?

answered Nov 20, 2019 at 18:26

1 vote

How to understand force given an inconstant mass?

answered Apr 27, 2019 at 22:27

1 vote

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Proving an equation built up out of Dirac-$\gamma$ matrices

answered Jun 2, 2020 at 8:23

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Electric potential and electric potential energy definitions

answered Apr 25, 2018 at 11:32

1 vote

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Why does the center of mass of car- Earth system changes with the car moving while no external forces acting?

answered Dec 8, 2018 at 19:12

1 vote

Potential energy of system or particle of the system?

answered Dec 8, 2018 at 19:26

1 vote

What does vector operator for angular momentum measure?

answered Dec 20, 2018 at 17:46

0 votes

Interpretation of the magnetic potential ($A$-field) in the quantum mechanical probability of current

answered Dec 29, 2018 at 21:01

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What is meant in mass' definition 'resistance to acceleration'?

answered Dec 8, 2018 at 22:15

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How do you calculate the probabilities associated with eigenfunctions of a wave function?

answered Oct 9, 2018 at 18:54

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Measuring different observables simultaneously with arbitrary precision

answered Nov 1, 2018 at 10:12

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Question about inertial frames and geodesics

answered Nov 17, 2018 at 20:27

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Why does the ion thruster trust not assume a simpler form?

answered Jan 27, 2022 at 10:07

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Infinite number of microstates?

answered Nov 30, 2019 at 23:05

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Helicopter conservation of angular momentum

answered Feb 28, 2018 at 15:32

-1 votes

When is mechanical energy ever conserved for inelastic collisions?

answered Apr 27, 2018 at 7:41

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18 Answers

Question on flywheels and angular momentum

Derivation of Alfven wave

Why are the final velocities of two objects perpendicular to each other when undergoing a particular case of elastic collision?

How to understand force given an inconstant mass?

Proving an equation built up out of Dirac-$\gamma$ matrices

Electric potential and electric potential energy definitions

Why does the center of mass of car- Earth system changes with the car moving while no external forces acting?

Potential energy of system or particle of the system?

What does vector operator for angular momentum measure?

Interpretation of the magnetic potential ($A$-field) in the quantum mechanical probability of current

What is meant in mass' definition 'resistance to acceleration'?

How do you calculate the probabilities associated with eigenfunctions of a wave function?

Measuring different observables simultaneously with arbitrary precision

Question about inertial frames and geodesics

Why does the ion thruster trust not assume a simpler form?

Infinite number of microstates?

Helicopter conservation of angular momentum

When is mechanical energy ever conserved for inelastic collisions?