Answer:
53/14
Explanation:
average acceleration = (Vfinal -Vintial)/ time taken
28m/s
Given law,
⇒ x(t) = 2t + 3t³
Where, t = 2s
Then,
⇒ x(2) = 2(2) + 3(2)³
⇒ 4 + 3(8)
⇒ 4 + 24
⇒ 28 m/s
Acceleration is 28m/s
Answer:the first one was x
the second one is y