SCIENCE

AT WHAT HEIGHT ABOVE THE EARTH'S SURFACE DOES THE ACCELERATION DUE TO GRAVITY FALL TO 1% OF ITS VALUE AT THE EARTH SURFACE

1. 👍 0
2. 👎 0
3. 👁 143
1. Solve this equation for height h, in kilometers:

[6378/(6378+h)]^2 = 0.01

Note that an inverse square law is being used.

6378 is the Earth's radius in km.

1. 👍 0
2. 👎 0
posted by drwls

Similar Questions

1. phy

(Q1)At what altitude above the earth's surface would the acceleration due to gravity be 4.9m/s-2?Assuming the mean radius of the earth is 64000000meters and the acceleration due to gravity 9.8m/s-2 on the surface of the earth

asked by ikye on July 5, 2013
2. Math

The acceleration due to gravity is inversely proportional to the square of the distance from the centre of Earth. The acceleration due to gravity for a satellite orbiting 7000 km above the centre of Earth is 8.2 m/s^2. a) write a

asked by Halle on June 1, 2009
3. Physical Science

The acceleration due to gravity is about 10 m/s2 at the Earth's surface. What is the acceleration due to gravity for a person on the space station orbiting 200 miles above the Earth's surface?

asked by Danielle on June 11, 2010
4. physics

If the earth acceleration due to gravity on a mass of 2000kg on the earth surface is 10ms.What will be the acceleration due to gravity when it is at a point twice the radius of the earth.What is the gravitational force on it.

asked by Boniface on August 12, 2011
5. Physics & Gravity

The acceleration due to gravity on the moon is about one-sixth its value on earth. If a baseball reaches a height of 51 m when thrown upward by someone on the earth, what height would it reach when thrown in the same way on the

asked by Jimmy on September 9, 2011
6. Physics help please

The space shuttle orbits at a distance of 335 km above the surface of the Earth. What is the gravitational force (in N) on a 1.0 kg sphere inside the space shuttle. Assume that the mass of the Earth is 5.98x1024 kg and the radius

asked by ... on November 25, 2011
7. Physics

A 4.03-kg object is thrown vertically upward from the surface of Earth, where the acceleration due to gravity is g1 = 9.81 m/s2. The initial velocity is v1, and the object reaches a maximum height of y1. What is the maximum

asked by Breauna on February 2, 2015
8. Physics

At what height above the earth's surface. the acceleration due to gravity will be 1/9th of its value at the earth's surface. Re = 6400km

asked by Invincible on April 2, 2017
9. physics

At the surface of Jupiter's moon Io, the acceleration due to gravity is 1.81 . A watermelon has a weight of 43.0 at the surface of the earth. In this problem, use 9.81 for the acceleration due to gravity on earth

asked by Anonymous on February 20, 2011
10. Physics

A 4.51-kg object is thrown vertically upward from the surface of Earth, where the acceleration due to gravity is g1 = 9.81 m/s2. The initial velocity is v1, and the object reaches a maximum height of y1. What is the maximum

asked by Tabitha Rodriguez on September 15, 2012

More Similar Questions