Physics

A 85 kg man weighs 833 N on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 18% of his body weight?

  1. 👍 0
  2. 👎 0
  3. 👁 240
  1. gravitational force (weight) is inversely proportional to the square of the distance between the masses

    Earth radius ... 6.38E6 m

    [6.38E6 / (6.38E6 + h)^2 = 1 - .18 ... 6.38E6 = (h + 6.38E6) √.82

    solve for h

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    The acceleration due to gravity on the moon is 1.6 N/Kg. An astronaut weighs 670N on the earth's surface A. Find the mass of the astronaut B. His weight on the moon's surface.

    asked by Wycliffe isoe on April 20, 2020
  2. Algebra II

    The weight of a body varies inversely as the square of its distance from the center of the earth. If the radius of the earth is 4000 mi, how much would a 200 lb man weigh 1000 mi above the surface of the earth?

    asked by MJ on January 3, 2013
  3. Physics

    On a cloudless day, the sunlight that reaches the surface of the earth has an intensity of about 1.2 103 W/m2. What is the electromagnetic energy contained in 6.4 m3 of space just above the earth's surface?

    asked by Sarah on October 28, 2013
  4. Algebra 1

    Earth has a radius of about 6.4 x 10 to the 6th power m. Approximate the surface area of earth using the formula for the surface area is a sphere, S = 4 pi r squared. Earths surface is about 70 percent water. About how many square

    asked by Lauren on February 19, 2015
  5. physics-mechanics

    A 1.0 kg mass weighs 9.8 N on Earth's surface, and the radius of Earth is roughly 6.4 x 10^6 m. Calculate the average density of Earth

    asked by Rebecca on December 27, 2012
  1. science

    a man has a mass of 80,0 kg is standing on the surface of the earth. a )calculate the magnitude of the attractive force (gravity) that the earth exerts on the man.(784n) b)how does your answer in a) compare to the magnitude of the

    asked by mamare on February 28, 2016
  2. PHYSICS

    Search: a 1.0 kg mass weighs 9.8 n on earths surface and the radius of the earth is roughly 6.4x10 to the 6 m. what is the mass of the earth and the average density of Earth

    asked by Tracey on December 8, 2010
  3. science

    How much below the surface of the earth does the acceleration due to gravity become 1percent of its value at the earth surface? The earth is assume to be a sphere of radius 6.4×10^6m.

    asked by Ioba Bolwary Marak on June 25, 2016
  4. Physics

    Many people mistakenly believe that astronauts who orbit the Earth are "above gravity." The mass of the Earth is 6x10 ^ 34 kg and radius is 6.38x10 ^ 6 m (6380 km) Use Newton's law to show that in the territory of the special

    asked by Dunn on January 25, 2018
  5. earth

    Body on surface of earth weighs 400 lb. Radius of earth is about 4000miles. If same body were placed on 4000 mile high tower, what would its weight be

    asked by jerry on January 20, 2012

You can view more similar questions or ask a new question.