Which sport is considered both an aerobic and an anaerobic activity?

Tennis

Explanation:

Much more than balls here and there. Tennis, one of the most traditional and practiced sports in the world, is also synonymous with technique, tactics and, of course, body benefits. So much so that, according to the most diverse studies done by sports science, the sport usually comes as one of the most complete physical activity for our health, being indicated to all people!

Tennis is considered an aerobic activity because it stimulates the function of the cardiorespiratory and vascular systems as well as metabolism, since it increases the cardiac and pulmonary capacity to supply muscle energy from oxygen consumption.

Tennis is also considered an anaerobic activity because it uses a form of energy that is not dependent on the use of oxygen, and is made with high intensity and short duration. It involves a more intense effort as it is performed by a limited number of muscles (there is also production of lactic acid).

the answer would be a

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.