Answer:
The differences are:
Mass:
1) It is the total amount of matter contained in a body.
2) It's SI unit is kilogram (kg).
3) It's measured by using beam balance
Weight:
1) It is the force which pulls an object towards the center of the earth.
2) It's SI unit is newton(n).
3) It's measured by using spring balance.
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To solve this problem it is necessary to use the concepts related to the Gravitational Force and Newton's Second Law, as far as we know:

Where,
G = Gravitational constant
M = Mass of earth (in this case)
m = mass of satellite
r = radius
In the other hand we have the second's newton law:

Where,
m = mass
a = acceleration
Equation both equations we have,

For the problem we have that,
<em>Satellite A:</em>

<em>Satellite B:</em>

The ratio between the two satellites would be,

Solving for a_B,

Therefore the centripetal acceleration of
is a quarter of 
Momentum would be the same before and after the collision
Before the collision:
Momentum of the single cart: 1 * 0.50 = 0.50
After the collision
velocity = 0.25m / s
1 * 0.25 + 1 * 0.25 =
0.25 * (1 + 1) =
0.25 * 2 =
0.50
Now new momentum will be 0.5
answer
the same before and after the collision
Answer:
Each piece will have a north pole and a south pole
Explanation: