The kinetic energies of a planet in an elliptical orbit about the Sun, at positions A, B and C are KA, KB and KC respectively. AC is the major axis and SB is perpendicular to AC at the position of the Sun S as shown in the figure. Then
A. KA > KB >KC
B. KB < KA <KC
C. KA < KB <KC
D. KB > KA >KC
Answer:A
The kinetic energies of a planet in an elliptical orbit about the Sun, at positions A, B and C are KA, KB and KC respectively. AC is the major axis and SB is perpendicular to AC at the position of the Sun S as shown in the figure. Then
A. KA > KB >KC B. KB < KA <KC C. KA < KB <KC D. KB > KA >KC