The weight (in pounds) w equals f left parenthesis d right parenthesis of an object varies inversely as the square of its distance (in thousands of miles) d from the center of Earth.
a. An astronaut weighs 200 pounds at sea level (about 4 thousand miles from Earth's center). Find an equation of f. nothing
f(d)equals
StartFraction 3200 Over d squared EndFraction
b. How much would the astronaut weigh at 1 thousand miles above Earth's surface?
nothing pounds