Sunday

September 14, 2014

September 14, 2014

Posted by **Kaan** on Friday, November 16, 2012 at 2:31pm.

Part A

How far would you have to drill into the Earth, to reach a point where your weight is reduced by 8.0\% ? Approximate the Earth as a uniform sphere.

g= GMe/re^2

g'=.92GMe/re^2 =GMe(r/re)^3

then it reduces to

.92re=r^3, and that leads to

r=re *cubrt(.92)

the r is, 6205.11, and shouldn' t I need to subratc it from radius of earth which is 6380-6205.11, it is equal to "174.89" but my answer fails. Please help, ty for ur care now.

**Answer this Question**

**Related Questions**

Physics Problem 6.22 - It can be shown that for a uniform sphere the force of ...

Physics - It can be shown that for a uniform sphere the force of gravity at a ...

Science - It can be shown that for a uniform sphere the force of gravity at a ...

Physics - A solid uniform sphere has a mass of 2.0 104 kg and a radius of 1.5 m...

physics - A solid uniform sphere has a mass of 7.0 104 kg and a radius of 1.2 m...

PHYSICS - A 494 kg uniform solid sphere has a radius of 0.390 m. Find the ...

physics - In the figure below, a uniform sphere of mass m = 2.50 kg and radius r...

Physics - A uniform 5.32 kg solid sphere of radius 0.344 m that is free to roll ...

physics - solid sphere of uniform density starts from rest and rolls without ...

physics - A solid sphere of uniform density starts from rest and rolls without ...