The radius of the Earth is

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

R

. A satellite is launched to a height

h = \frac{R}{4}

above the Earth's surface. What is

\frac{\text{gravitational force on satellite at the surface}}{\text{gravitational force on satellite at height } h}

? (A)

\frac{4}{5}

(B)

\frac{16}{25}

(C)

\frac{25}{16}

(D)

\frac{5}{4}