Once a carousel is in motion, the constant movement of the carousel horse around the center of the circle can best be described as

once a carousel is in motion, the constant movement of the carousel horse around the center of the circle can best be described asacceleration or change in velocity.

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.