Answer:
Thats a personal question
Explanation:
It asks about you
(illusion is something you think is there but is not)
It’s mass is 100 kg, because if you divide both numbers, you get 100
C. Magnetic draws certain types of metal together.
Solution :
We know that :
Formula for Gravitational force is given by :

where, G is the gravitational constant
M is the mass of the bigger body
m is the mass of the smaller body
r is the distance between the two bodies.
And the formula for the centripetal force is given by :

where, m is the mass of the rotating body
v is the velocity
r is the radius of rotation of the body.
We know that mathematically, the gravitational force is equal to the centripetal force of the body.
Therefore,



Hence derived.