Which three statements describe mechanical waves? A. The waves can travel through empty space.
B. The waves need matter to transfer energy.
C. The waves transfer energy by causing particles of matter to move.
D. The waves can transfer energy to solids liquids and gases

as technology advances, new experiments often expose problems in accepted theories. c

hope i

-lavira: )

probably not the "magnets"in the magnet, so to speak, are thought to be electrons orbiting in shells. vurrent loops two sides to the loop

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.