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A missile is launched with a velocity less than the escape velocity. The sum of its kinetic and potential energy is (a) Positive (b) Negative (c) Zero (d) may be positive or negative

A missile is launched with a velocity less than the escape velocity. The sum of its kinetic and potential energy is
(a) Positive
(b) Negative
(c) Zero
(d) may be positive or negative

Grade:Upto college level

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
The sum of kinetic energy and potential energy is negative. This is because for the velocity less than escape velocity the missile is bounded due to the gravitational field of the earth. Hence its total energy is negative.

Regards
Vikas TU
14149 Points
2 years ago
The sum of kinetic energy and potential energy is negative. This is because for the velocity less than escape velocity the missile is bounded due to gravitational field of the earth.

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