Homework Help: Physics

Posted by Anonymous on Sunday, November 18, 2012 at 10:44pm.

Use the following numbers for this question.
MEarth 5.98e+24 kg
MJupiter 1.9e+27 kg
MSun 2e+30 kg
Earth-Sun distance 150000000000 m
Jupiter-Sun distance 778000000000 m
rE 6380000 m
rJ 69000000 m
G = 6.67e-11 Nm2kg-2
the acceleration due to gravity at the surface of Jupiter has been found to be 26.6 m/s^2

How fast would a steel sphere be going if you let it drop 20 m from rest, near the surface of Jupiter?

How many Earth years does it take Jupiter to orbit the Sun once, assuming a circular orbit and one Earth year as 365.25 days?

What is the force of gravity that the sun exerts on the Earth?

The sun pulls on the Earth with a huge amount of force. Why does the Earth not fall into the Sun? Explain

Physics - Anonymous, Sunday, November 18, 2012 at 11:22pm
never mind on the last parts, just what is the answer to this question using those numbers

How fast would a steel sphere be going if you let it drop 20 m from rest, near the surface of Jupiter?

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