Hey /sci/ I have this problem for physics and i know how to solve all of it except for the value of m, can you help me out? Suppose the comet has an initial speed of 1.56*10^4 m/s when at a distance of 5.0*10^11 m.from the center of the sun, what is its speed when at a distance of 4.6*10^10 m?

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Anonymous Wed May 11 20:41:13 2011 No.3041079 [Reply] [Original]

Hey /sci/ I have this problem for physics and i know how to solve all of it except for the value of m, can you help me out?

Suppose the comet has an initial speed of 1.56*10^4 m/s when at a distance of 5.0*10^11 m.from the center of the sun, what is its speed when at a distance of 4.6*10^10 m?

>>	Anonymous Wed May 11 20:45:13 2011 No.3041099 (v2)^2= (v1)^2 + 2Gm (r1-r2)/(r1*r2) thats the formula, just need to know how to find m

>>	Anonymous Wed May 11 20:48:13 2011 No.3041125 nvm its the mass of he sun = 1.99E30 thanks for nothing /sci/

>>	Anonymous Wed May 11 20:51:13 2011 No.3041158 (v2)^2= (v1)^2 + 2Gm (r1-r2)/(r1r2) m = (v1)^2 (r1-r2) / [2G (r1*r2)] >OP is an ungrateful asshole

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