Entomology is the application of to be used in a criminal investigation?? A/ soil science
B/insect science
C/plant science
D/glass science

since you're a real machine, your ama is always less than your ima, because you can never totally eliminate friction.

it has to be b, about 97 percent.

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.