Answer to Question #291780 in Physics for pgddf

Question

An automobile with an initial speed of 3.40 m/s accelerates uniformly at the rate of 6.0 m/s². Find the final speed after 5s.

Answer 1

Given:

$v_i=3.40\:\rm m/s$

$a=6.0\:\rm m/s^2$

$t=5\:\rm s$

The final speed of an automobile

$$v_f=v_i+at\\ =\rm 3.40\: m/s+6.0\: m/s^2*5\: s=33.4\rm m/s$$