User jawheele

12 votes

How does a car gain kinetic energy?

answered Jan 16, 2020 at 22:13

7 votes

Can Kepler's laws be used to derive Newton's gravitation formula?

answered Jun 16, 2022 at 19:27

6 votes

For a spacecraft orbiting a planet, orbital speed is inversely proportional to orbit radius. But speed must be increased to increase orbit radius?

answered Nov 24, 2021 at 0:37

5 votes

Ambiguity in applying Newton's shell theorem in an infinite homogeneous universe

answered Jul 11, 2019 at 6:44

4 votes

Can electric field pass through a charge particle so that the charge particle behind the one can get energy?

answered Jun 26, 2021 at 17:44

4 votes

Doubt in a property of Laplace equation

answered Aug 26, 2020 at 21:59

4 votes

Can light reach far away galaxies in an expanding universe?

answered Dec 9, 2020 at 4:02

4 votes

Why isn't there a high spike visible in the CMBR, due to a massive recombining of electrons and protons

answered Mar 30, 2021 at 5:55

4 votes

Is work done by gravity equal to zero in general relativity?

answered Apr 20, 2021 at 18:26

3 votes

Speed due to gravity

answered May 30, 2021 at 16:20

3 votes

Why does a body accelerate when there is a force applied to it?

answered Dec 6, 2021 at 22:38

2 votes

Accepted

Why is impossible to synchronize the clocks , along a ring globally on a uniform rotating disk?

answered May 30, 2021 at 18:41

2 votes

Force on the bottom of a tank full of liquid - Hydrostatic Pressure or Gravity

answered Mar 31, 2021 at 5:22

2 votes

Problems regarding the equations for work done and kinetic energy

answered Dec 20, 2020 at 23:57

2 votes

Definition of spacetime in GR: what is the underlying set of the spacetime manifold?

answered Oct 22, 2020 at 1:05

2 votes

Do Electric fields really contain energy in them?

answered Jun 26, 2021 at 19:44

2 votes

What happens within an extended object passing the event horizon of a black hole?

answered Aug 12, 2021 at 6:14

1 vote

How can I know who is accelerating? – Inertial reference frames and relative motion

answered Aug 12, 2022 at 17:43

1 vote

Why don't two accelerated clocks behave like two clocks in a gravitational field?

answered Feb 14 at 19:39

1 vote

Point forces doing work

answered Aug 15 at 19:00

1 vote

Accepted

Is the cosmological Doppler effect more effective at long wavelengths?

answered Jun 2, 2021 at 3:55

Stack Exchange Network

21 Answers

How does a car gain kinetic energy?

Can Kepler's laws be used to derive Newton's gravitation formula?

For a spacecraft orbiting a planet, orbital speed is inversely proportional to orbit radius. But speed must be increased to increase orbit radius?

Ambiguity in applying Newton's shell theorem in an infinite homogeneous universe

Can electric field pass through a charge particle so that the charge particle behind the one can get energy?

Doubt in a property of Laplace equation

Can light reach far away galaxies in an expanding universe?

Why isn't there a high spike visible in the CMBR, due to a massive recombining of electrons and protons

Is work done by gravity equal to zero in general relativity?

Speed due to gravity

Why does a body accelerate when there is a force applied to it?

Why is impossible to synchronize the clocks , along a ring globally on a uniform rotating disk?

Force on the bottom of a tank full of liquid - Hydrostatic Pressure or Gravity

Problems regarding the equations for work done and kinetic energy

Definition of spacetime in GR: what is the underlying set of the spacetime manifold?

Do Electric fields really contain energy in them?

What happens within an extended object passing the event horizon of a black hole?

How can I know who is accelerating? – Inertial reference frames and relative motion

Why don't two accelerated clocks behave like two clocks in a gravitational field?

Point forces doing work

Is the cosmological Doppler effect more effective at long wavelengths?