Question

The radio or the earth is approximately of 6 370 Km. A 20-Kg object is rised to a 160Km over the earth surface.
a) what is the weight of that object at that height?

Answer 1

g' =g(1 - 2h/R)

Answer 2

w=mg'

Answer 3

Thanks, now im working with the numbers in oder to get the answer ...

Answer 4

should I tranform the units? coz i dont get the answer in my book.

g = 9.8;
h = 160;
R = 797;
m = 20;

g1 = g (1 - 2 h/R);
W = m*g1
W=117.305

the answer in my book is 186.5N.

Answer 5

then i think i got it wrng..
g` = g(1 - h/R)
srry

Answer 6

No. I was wrong replacing the numbers lol