Sunday

April 20, 2014

April 20, 2014

Posted by **Abby** on Sunday, November 27, 2011 at 12:41pm.

Alright, I know how to do part a. but I'm having issues on figuring out how to do part b. Please help!

- Physics -
**drwls**, Sunday, November 27, 2011 at 12:46pma) 1/6 of the weight on Earth.

b) g and weight at the surface are proportional to M/R^2 of the attracting body (Earth or moon). But M is proportional to R^3, assuming uniform density. Therefore g is prooprtional to R. Earth would have to be 1/6 its present radius to have the same g value as the moon. That is less the moon's actual radius.

**Related Questions**

HELP!!! Math - The weight of an object on Earth varies directly as the weight of...

earth - An object on earth weighs 6 times what it would weigh on the moon. An ...

Science - If the acceleration gravity is 1.6m/2 on the moon and you weigh 539 N ...

Math - A 120 lb. person would weigh about 20 lb. on the moon. A 150 lb. person ...

5th grade - The gravitational force on the moon is one -sixth of what it is on ...

overland high school - the gravitional force exerted on objects on the moon is ...

math - An object's weight on the Moon is less than its weight on Earth. This is ...

Physics - You weigh 585N on Earth, what is your mass? What do you weigh on the ...

physics - How much does a 600 N spaceship weigh on the moon if the moon's ...

math - People weigh 6 times as much on Earth as they do on the moon.Mr.Marks ...