HardPhysics
+4 / -1
An object of mass m is projected tangentially from the surface of earth (M, R) with speed v = √(3GM/2R) as shown in the figure. Which of the following statement(s) is/are correct?(A) Mechanical energy of the object keeps on decreasing with time(B) The object will not escape from the gravity of earth(C) Angular momentum of the object when seen from the centre of earth remains constant(D) Kinetic energy of the object remains constant throughout its motion.
A
Only (A) and (B)
B
Only (B) and (C)
C
Only (C) and (D)
D
Only (B) and (D)
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