Questions
An artificial satellite moving in a circular orbit around the earth has a total (kinetic + potential) energy E0. Its potential energy is
a
−E0
b
1.5 E0
c
2 E0
d
E0
detailed solution
Correct option is C
Potential energy = 2 × (Total energy) = 2E0 Because we know = U=−GMmr and E0=−GMm2rTalk to our academic expert!
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A shell of mass M and radius R has a point mass m placed at a distance r from its centre. The gravitational potential energy U (r) vs r will be
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