Question

the position of particle changes with time as y = 3t^2 the instaneous velocity at t = 2s is​

Answer 1

y = 3t^2

dy/dx = d(3t^2)/dx = 3(2)(t) = 6t

When t = 2 s

6t = 6(2) = 12 m/s

Thus, answer = 12 m/s

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