Question

17. If the value of g is 9.8 meter per Second Square on earth surface then
what will begon moon
a)1.56
b) 1.63
c) 9.8
d) 2.0​

Answer 1

Answer:

i thought so

D is the answer

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Answer 2

Answer:

8.5m/s2

Explanation:

M=Mass of Earth

R=radius of Earth=6400km=6.4×106m

g1=acceleration due to gravity on the surface of Earth=9.8m/s2

h=height above the surface of Earth 480 km=0.480×106m

g2=acceleration due to gravity on above the surface of Earth =?

acceleration due to gravity on the surface is given

g1=GM

R2

g2=(R+h2)

GM

g2=(R+h2)

g1=GM

R2

g2=R2

g1=(R+h2)

g2=(6.4×106)2

9.8(6.4×106)+

(0.480×106)2

g2=8.5m/s2