Starting from rest, a particle confined to move along a straight line is accelerated at a rate of 4 m/s 2 .
-What is the speed of the particle after it has traveled 8 m?
A)4 m/s
B)8 m/s
C)30 m/s
D)60 m/s
E)100 m/s

Question

Quizplus · Accepted Answer

Using the equation $v^2 = u^2 + 2as$, where $u = 0$, $a = 4 \, \text{m/s}^2$, and $s = 8 \, \text{m}$, we find $v = \sqrt{0 + 2 \times 4 \times 8} = 8 \, \text{m/s}$.

Starting from Rest, a Particle Confined to Move Along a Straight