7. find the direction and magnitude of the vectors
a. x=(5.0 m) î + (-2.0 m) î
b. b=(-2.0 m) î + (5.0 m) ſ and
c. åt b
8. find the direction and magnitude of the vectors
a. a = (25 m) î + (-12.0 m) ſ

answer: electrons

the answer would be 32*f

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.