A ball rolls down a hill with a constant acceleration of 2.0 m/s^2. The ball starts at rest and travels for 4 seconds before it stops. What was the ball's velocity just before it stopped?

Don't smoke.it ruins your life.confront your husband on how you are feeling and why you're depressed.weed is never the answer.there are so many more options out there for depression.weed will make the depression worse.so, stay clean and you will have support