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1 vote
3 answers
87 views

The speed of an impulse transmitted along a string

A supernova explosion on the far side of the Sun ejects a mass with approximately the same mass of the Sun directly at the back side of the Sun. If this ejected mass is travelling arbitrarily close to ...
Not a physics student's user avatar
1 vote
2 answers
266 views

Lag in Direction of Earth-Sun Gravity vector

When the earth is orbiting around the sun, it experiences a force vector pulling it towards the sun, which acts as a centripetal force for its elliptical orbit. However, when the earth moves a bit ...
user67637's user avatar
  • 111
-1 votes
1 answer
178 views

Gravitational field of sun [closed]

Let there be a solar system without Earth. Now what happen if we place the Earth suddenly on its actual position does the gravitational force of sun acts on it immediately because of its pre ...
Gaurang Agrawal's user avatar
5 votes
1 answer
97 views

Is the Earth orbiting an 'illusory' Sun, owing to the 'speed' of gravity? [duplicate]

We see the Sun about eight minutes after light left it. Presumably this means we are also experiencing the Sun's gravity 8 minutes after it 'left' the Sun. So are we orbiting around the Sun we can ...
chasly - supports Monica's user avatar
0 votes
1 answer
184 views

How faster is the effect of force exerted by gravity? [duplicate]

We all know that Earth revolves around the Sun due to Gravitational force of the Sun. Also we know that it takes just over 8 minutes for the Sun's light to reach Earth. Now let us say, hypothetically ...
Dhwanit's user avatar
  • 109