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1. ### Could someone show me how to do this formula?

...! ( as G is defined in terms of seconds) doing the (r³/Gm) bit first .. r³ = (2.28*10^11)³...

2 Answers · Science & Mathematics · 03/02/2011

2. ### Find the position of the center of mass?

When I do a center of mass problem, I think about a teeter totter. A heavier person is one end, and a lighter person is on the other end. To balance the teeter totter board, the board must be...

1 Answers · Science & Mathematics · 26/04/2012

3. ### A constant force does 12.0 Joules of work pushing a 350 gram block a distance of 2.5 meters up a ramp. The blo?

...0.35 g = 9.81 sin(theta) = 0.58 Normal = 1.99 N Work done by frictional force = 3.05 J Frictional force = ??? height = 1.45 m...

1 Answers · Science & Mathematics · 11/06/2012

The fusion reaction occurs in the sun's core (1.99 x 10^30 kg). Thus at a hydrogen fusion rate of 4 x 10^9 kg/s, the sun...

2 Answers · Science & Mathematics · 12/07/2008

5. ### How do I solve this period of orbit problem?

...2 r^3/T^2 and T = 2 pi sqrt(r^3/GM) is the period. Plug in the numbers and do the math. So we derived the equation from the physics g = A.

1 Answers · Science & Mathematics · 21/05/2012

6. ### how do you find the total force?

... second, you have to be a little careful what they mean by in a line...do they mean... Saturn J E V Sun or do...

1 Answers · Science & Mathematics · 14/10/2011

7. ### Physics- What did I do wrong?

... I mentioned and your process, you get a mass, M= 1.99 X 10^30 kg. Since this is the mass of the Sun, ...

2 Answers · Science & Mathematics · 07/02/2008

8. ### Net gravitational force on the moon?

... = mass sun, M2 = mass moon r = distance F = (6.67*10^-11 * 1.99*10^30 * 7.35*10^22 ) / (1.50*10^11)² F =(6.67*10^-11 * 1.99*10^30...

1 Answers · Science & Mathematics · 24/09/2008

9. ### Displacement problem help?

... (8.65 N + 1.84 S) = 6.81 N (7.01 W + 1.99 E) = 5.02 W now draw these, make a parallelogram and solve for the diagonal...

1 Answers · Science & Mathematics · 01/09/2012

10. ### Help with Physics homework.?

F=Gx M x m/r^2 Mass Sun=1.99 x 10^30 kg mass Jupiter=1.90 x 10^27 kg distance between Sun-...

2 Answers · Science & Mathematics · 24/04/2013