Question

calculate the value of acceleration due to gravity at the height r above earth's
in terms of g where g is acceleration due to gravity at earths surface amd r is radius of earth

Answer 1

Explanation:

Value of gravitational acceleration at a height h above th earth's surface is given by g

′

=g(

R+h

R

)

2

∴

4

g

=g(

R+h

R

)

2

Or

R+h

R

=

2

1

Or h+R=2R

⟹ h=R

Answer 2

Answer:

gravitational acceleration at height h=g=go(1-2h/R)

g=go/10

then

1/10=(1-2h/R)

h=0.45R=0.45*6400=2880km

Explanation: