Physics

Problem

At altitude

h_1

the acceleration due to gravity is

0.90\,g

, while at a higher altitude

h_2

it is

0.80\,g

. Using

R = 6400\,\text{km}

, determine

h_2 - h_1

. a)

347\,\text{km}

510\,\text{km}

409\,\text{km}

320\,\text{km}