Auniform solid sphere of radius r = 3.5 km produces a gravitational acceleration of ag on its surface. at what distance from the sphere's center are there points (a) inside and (b) outside the sphere where the gravitational acceleration is ag/ 5?

As we know that acceleration due to gravity is given by

Part a)

Inside the sphere

Part b)

Now for a point outside the sphere the gravity is

here are some information of the future of geothermal energy:

-the future of geothermal energy can pretty much be summed up with a single word: more

-scientists plan in going deeper than 120 meters

-we are hoping that one day, we will get all of our energy from renewable energy sources such as geothermal energy

hope this !

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.