Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
For a height
h
h
h
above Earth’s surface where
h
≪
R
h \ll R
h
≪
R
, which of the following is the correct approximate expression for the weight of a body of mass
m
m
m
? a)
m
g
(
1
+
2
h
R
)
mg\bigl(1 + 2\dfrac{h}{R}\bigr)
m
g
(
1
+
2
R
h
)
b)
m
g
(
1
−
h
R
)
mg\bigl(1 - \dfrac{h}{R}\bigr)
m
g
(
1
−
R
h
)
c)
m
g
(
1
−
2
h
R
)
mg\bigl(1 - 2\dfrac{h}{R}\bigr)
m
g
(
1
−
2
R
h
)
d)
m
g
(
1
−
h
2
R
2
)
mg\bigl(1 - \dfrac{h^{2}}{R^{2}}\bigr)
m
g
(
1
−
R
2
h
2
)
Browse the problem library