Cho mạch điện như hình vẽ u = 12V r1 = 20 ôm, R2 = 5 ôm, r3 = 8 ôm, có một vôn kế v có điện trở rất lớn và một Ampe kế có điện trở rất bé a) Tìm số chỉ vôn kế khi nó mắc giữa A và N trong hai trường hợp K mở và K đóng. a) Thay vôn kế bằng ampe kế. Hỏi những câu 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.

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.