Using the scale of one division =20lb of force find the value of the resultant force in the diagram

the answer is b ) square root of 5

b.transmitters send radio waves, and receivers capture radio waves.

the entire statement is true and correct.  

there's no diagram, nothing is illustrated, and no question is asked.

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.