Ineed to draw light-ray diagrams to show how each image is formed in the plane mirror at the top of the diagrams. i also need to show all construction lines as light grey dotted lines. ?

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.

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )