Question

The equation of motion of a particle is S=t³-3t²+4t+3, It's velocity at t=2 is​

Answer 1

Answer:

We know that velocity, (V) = dS/dt

So, here velocity as a function of time

V(t) = 3t² - 6t + 4

Hence, velocity at time t = 2 is V(2)

V(2) = 3(2)² - 6(2) + 4

= 12 - 12 + 4

= 4 m/s

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