Question

A truck traveling with an initial velocity of 44.1 m/s comes to a stop in 15.91 secs. What is the

acceleration of the truck?

Answer 1

a=-2.77 m/s^2

Step-by-step explanation:

Assuming constant acceleration,

v=at + v_0

where v_0 is the initial velocity.

At rest, v=0, so

0=at+v_0

So solving the equation for a:

a=(-v_0)/t

Inserting the numbers yields

a=-2.77 m/s^2