Science questions Post Assessment on Investigating the Immune System
please help Dont guess if you dont know the answers!!

1. b

2. c

3. b

4. a

5. a

6. c

7. c

8. d

f=ma a/f/m a= 480/60 a = 8m/s/s that is quick wow

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.