Questions
The earth moves in an elliptical orbit with the sun ,S at one of foci as show in figure. Its rotational kinetic energy is maximum at the point :
a
A
b
B
c
C
d
D
detailed solution
Correct option is A
Potential KE=L22I where L = angular momentumand I = moment of inertiaAt A,I is minimum so rotational KE is maximum at point A.Talk to our academic expert!
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