Question

A speedboat increases its speed from 18.5 m/s to 30.6 m/s in a distance of 226 m. Determine the acceleration of the speedboat?

Answer 1

V² = U² + 2aS

30.6² = 18.5² + 2*226a

936.36 = 342.25 + 452a

936.36 - 342.25 = 452a

594.11/452

a= 1.31m/s^2