Difficult# How Fast Does That Cart Go?

APPH12-SPLZWH

A $50\text{ kg}$ box of equipment is moving at $2\text{ m/s}$. A $25\text{ Newton}$ force acts on the box for a time of $10\text{ seconds}$.

A group of students is attempting to solve for the final speed of the cart after the ten seconds, and each one has a different approach.

Which student has a valid method for solving the problem? Choose **TWO** answers.