3/4/2016 11:55 PM Time Remaining: 57 M13S Gradebook Question 4 of 5 Map desA sap

Question

3/4/2016 11:55 PM Time Remaining: 57 M13S Gradebook Question 4 of 5 Map desA sapling learning this question ws writen by Sean Condry at Walters State Community College Check out the graphic of a comet orbiting the sun Answer the three questions below using three significant digits. Part A: At what point in the orbit is the comet moving the fastest? soluti You ca O eTex O Help O Web Part B: At what point in the orbit is the force of gravity between the sun and the comet the least? O Techr O c Part C. Let Fs and rs correspond to the gravitational force acting on the comet at B and the distance between the sun and the comet at B. Also, let Fo and ro correspond to the same values for the position D. If the ratio of dictanres ig 1 90then what is the ratio of thee fnnnn PrevousNextSave And Exit C 2011 2016 Sapling Learning, Ic 113 aboun us careers pertners pracy polcy

Explanation / Answer

A;

At point C, the comet moves fast as compared to other as it overcome the gravitaional attraction of the Sun.

B.

At point B, the gravitational force is least

The gravitaional force is inversely proportional to square the distance between object. As the separation between Sun and comet is large at D, there exist least gravitatioanal force,

C.

The ratio of forces inversely proportional to square of the ratio between the separations

FD/ FB = ( rB/rD )2 = ( 1/ 1.80 ) 2 = 0.3086 N

In three significant digits,

FD/ FB = 0.309 N

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