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Relation between displacement x and time t is x = 2 - 5t + 6t2, the initial velocity will be :(1) -3 m/sec. (2) 12 m/sec. (3) 2 m/sec. (4) -5 m/sec |
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Answer» Answer is (4) – 5 m/sec x = 2 - 5t + 6t2. ν = dx/dt = 0 - 5 x 1 + 12t = -5 + 12.0 = -5 m/s. |
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