Answer=B
Initial velocity (u) = 15m/s
Final velocity (v) = 25 m/s
Time (t) = 4s
By First Equation of Motion
v = u + at
So, a = (v-u)/t
or, a = (25-15)/4 =10/4 =2.5 m/s2
Your email address will not be published. Required fields are marked *
Comment
Name *
Email *
Save my name, email, and website in this browser for the next time I comment.