Atruck heading due west increases its speed with a constant acceleration from 12 m/s to 18 m/s in 7.5 seconds. how far does the truck travel during this time? what was the acceleration of the truck during this period?

Explanation:

We can find these answers following the equations of motion.

Δ

Where Δ is the difference between the final speed and the initial speed. And is the time spent

We replace the terms:

We solve the difference:

We divide the terms, so we can have the

2. To find the distance traveled by the truck, we use the equation:

Where is the distance traveled, is the initial speed, is the acceleration and is the time.

We replace the terms:

We multiply and solve the exponential:

Then, we multiply the terms left:

And add, so we can have the

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.