1.

Assertion : When a body is projected from the surface of the earth with a velocitygreater than the escape velocity , its total mechanical energy is negative . Reason : The body is not under the influence of the earth.

Answer»

Both Assertion and REASON are TRUE and Reason is the CORRECT explanation of Assertion
Both Assertion and Reason are true and Reason is not the correct explanation of Assertion
Assertion is true and Reason is false
Assertion is false and Reason is true

Answer :D


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