Two satellites of masses 400 kg, 500 kg are revolving around earth in different circular orbits of radii r1, r2 such that their kinetic energies are equal. The ratio of r1, r2 is
A
4:5
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
16:25
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
5:4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
25:16
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A4:5 Kinetic energy of a satellite is given by: KE=GMmr ∴KE1KE2=r2r1m1m2