Question

1) If x=2t^3. Find the average velocity between t=1 and t=2 sec

Answer 1

Explanation:

your answer is 18 check the attachments

Answer 2

Answer:

x = 2t³

at t = 1sec.

x = 2×1³ = 2m

at t = 2sec.

x = 2×2³ = 24m

Now,

average velocity =

total distance/total time = 24-2/2-1 =

22m/s