Respuesta :
In the case when the swimmer push away so the momentum should be equal but it should be opposite.
What is momentum?
Momentum means the product of the mass of a particle and its velocity. It is a vector quantity, it applied to both magnitude and direction. Since the swimmers are push away so here the momentum should be equal but it should be an inverse direction, not the direct direction.
learn more about momentum here: https://brainly.com/question/24717686