Question

A motor boat starting from rest on a lake accelerates in a straight line at a constant rate of 3.0 ms^-2 for 8.0 s. How far does the boat travel during this time?

Answer 1

Here, 

u = 0 m/s

a = 3 ms^-2 

t = 8 s 

Using, 

s = ut + ½ at² 

s = 0 × 8 + ½ × 3 × 8 ² = 96 m.