- Messages
- 264
- Reaction score
- 116
- Points
- 53
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gravitational potential=GM/r
change in gravitational potential=GM/r-GM/R where R=radius of the earth + the altitude(this altitude is from the surface of the earth and not from the center) R=6400+13000=1.94*10^4
=GM(1/r-1/R) (have taken GM as common)
= (6.67 × 10-11)(6.0 x 1024)*1/(6.4 x 10^6)-1/(1.94 x 10^7) (DONT FORGET TO CONVERT km to m)
= 4.19 x 107 J kg-1 Ans
your welcomei just forgot to convert km to m
thank u
HOW TO SOLVE http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w10_qp_41.pdf
WINTER 2010 Q 2b iii
Could any of you plz provide me the name of phys book for As and A
Could any of you plz provide me the name of phys book for As and A
How to solve this please help
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