Questions
By what percent ,the energy of the satellite has to be increased to shift it from an orbit of radius ’r’ to ‘3r’
a
66.7%
b
33.3%
c
15%
d
20.3%
detailed solution
Correct option is A
TE=−Gmm2r;ΔTE=Gmm21r1-1r2 TE%=ΔTETE×100%=Gmm21r1-1r2Gmm2r1×100%=1r-13r1r×100%=3-13r1r×100%=23×100=66.7%Talk to our academic expert!
Similar Questions
A satellite moves around the earth in a circular orbit of radius r with speed v. If the mass of the satellite is M, its total energy is
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