Physics

Problem

0.50\,\text{kg}

cart is initially at rest on a horizontal track. A constant net force of

4.0\,\text{N}

acts on the cart in the

+x

direction for

3.0\,\text{s}

. What is the cart’s speed at the end of the

3.0\,\text{s}

interval? a)

12\,\text{m/s}

6\,\text{m/s}

24\,\text{m/s}

36\,\text{m/s}