Help on Physics homework. You can answer one or all. All your help will be...

Erika S

New member
...deeply appreciated, THANKS? 1.An object weighs 400 N on the surface of the earth. How much does it weigh at an altitude of one earth’s radius ABOVE the surface of the earth?

2.An object weighs 400 N on the surface of the earth. How much would the object weigh on a distant planet with twice the mass and twice the radius of the earth?

3.The earth and the moon are gravitationally attracted to each other. Does the more massive earth attract the moon with a greater force, the same force, or less force than the moon attracts the earth?

4.The planet Jupiter is about 300 times as massive as the earth, but an object on its surface would weight only 2.5 times as much as it would on the earth. Can you come up with an explanation for why?

5.What would happen to your weight if the diameter of the earth were half, but the mass were double?
 
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