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NEET UG PHYSICS MCQ: MOTION IN PLANE

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Application +4 | -1
A force 2i^+j^−k^2\hat i + \hat j - \hat k newton acts on a body which is initially at rest. If the velocity of the body at the end of 20 seconds is 4i^+2j^+2k^  ms−14\hat i + 2\hat j + 2\hat k\,\,m{s^{ - 1}}, the mass of the body.
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Correct option: C
10 kg
Option C (10 kg) is correct because it's calculated using Newton's second law, relating force, mass, and acceleration.

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