Question

if v=3 t²+4 find the velocity and acceleration at t=2 sec​

Answer 1

Answer:

v = 16m/s     a = 12m/s²

Step-by-step explanation:

v = 3t² + 4

velocity at t = 2s is

v = 3(2)² + 4

v = 16 m/s

a = dv/dt = 6t= 6(2) = 12 m/s²

Answer 2

Answer:

here is ur answer❤

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The answer is 12m/s^2

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