The bottom is hard what is the answers

What is the momentum of a 2 kg object moving at 15 meters per second

What are two different ways you could find the value of a? explain these methods.

Which statement best describes the direction of the buoyant force on any object? a. opposite the force of gravity b. in the same direction as the weight c. in the direction of motion of the object d. opposite the direction of motion of the object