Question

A truck is moving at 2.0 m/s accelerates at a rate of +2.00 m/s2. It does this over a distance of 400.0m. Find the final velocity.

Answer 1

If v is the truck's final velocity, then

v² - (2.0 m/s)² = 2 * (2.00 m/s²) * (400.0 m)

v² = 1604 m²/s²

v = 40.05 m/s ≈ 40 m/s