Question

Two object one 4 times as massive as the other, are approaching each other under their mutual gravatational attraction, where theseparation is 100 km , the accelaration of heavier object is
A) 1m/s^2
B) 2m/s^2
C) 8m/s^2
D) 4m/s^2

Answer 1

(C) 8m/spower2 is the answer please mark me as a brainlist please

Answer 2

Answer:

Given,

Mass of the first body ×4=mass of the second body.

Let the acceleration of the body be a

As per law gravitation,

F=

r

2

GMm

a At r=100km, 1=

m

F

=

(100)

2

GM

=>G=1⋅

M

(100)

2

At r=25cm,

M

F

=

(25)

2

Gm

=

4

1

(

25

100

)

2

=4m/s

2

December 26, 2019