If you press a rubber puller on a rough surface, it does not stick to the surface. why?

The remaining air between the cup and the rough surface exert pressure on the inner wall of the cup, due to this it does not stick on the rough surface.

Explanation:

HOPE it helps:

the assestment will probley apele with cause and effect

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.