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Grade: 12th pass
        A missile is launched with a velocity less than the escape velocity the sum of its kinetic and potential energy is
2 years ago

Answers : (3)

Vikas TU
8729 Points
							
Kinetic energy would be obvious = 0.5mv^2
and the potential Energy would be= -Gm/r^2
Now total energy = 0.5mv^2 – Gm/r^2 hence would be negative as r approaches infinity.
2 years ago
Siddharth Lathi
13 Points
							
Negative. For the velocity than escape velocity, the missle is bound due to the gravtitaion field of the earth. Hence its total energy is negative
one year ago
Ashish Mishra
15 Points
							
Total energy is conserved, hence for the complete motion total energy is k.e+ P.e.
K.e = -p.e/2=-t.e( total energy).
T.e is negative.
6 months ago
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