Question

Two objects ,one of mass 4 times as massive as the other are approaching each other under their mutual gravitational attraction. when the separation between the objects is 100km,the acceleration of the heavier object is a.1m/s2 b.2m/s2 c.8m/s2 d.4m/s2​
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Answer 1

Answer:

0.2 ms-2

Explanation:

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Answer 2

here is your ans.

f = Gm1m2/r²

m1 = 4m2

now , f=ma

then,

m1 a = G m1 × m1/4 /100²

a = Gm1/40000

a = 2m/s ²