Question

A car starts from rest and after 7 seconds it is moving at 42 m/s. what is the carâs average acceleration?

Answer 1

a= (v2 - v1) / (t2 - t1)
a = (42-0)/ (7-0)

42/7 = 6

a(avrg.)= 6 m/s(sqaured)
i hope this is right, i tried if its wrong, i truly did try!!