3. A force Ē = (4 – 3 +5Â) N moves a
body from (3ỉ +69+3k)m to
(ai – 8 9 +5k) m. If the work done by
the force is 8J, the value of 'a' is
1) 6 2 4 348 4-8
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asked the same question twice. Answer is d) -8
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