What is work and distance of the book?

Question

A 20 kg box is pushed from rest to find a velocity of 8 m/s. If the force pushing the book is 10 N, how far does the book travel?

Answer 1

F = m * a

10N = 20kg * a

a = .5 m/s^2

vf^2=vi^2+2*a*d

(8m/s)^2 = (0m/s)^2+2*(.5m/s^2)*d

64=d

d=64m