Question

show that the value of g decreases as we go at higher altitude above the surface of the earth mention one practical application of this property of g

Answer 1

see, When a Rocket go out to the earth surface .The first velocity or acceleration be greater than (g) and when it comes in mesosphere its velocity will be too because the temperature of mesosphere is too much .

Approximately (g) work to half stratosphere .

Answer 2

when we throw the ball up word as the ball is going up word the speed of the gravity is decreasing and when the ball will come down the speed of the gravity will increase . I hope that it is help full to you