imagine you are at the beach watching the ocean waves , describe the motion of the water when a wave moves through the water (horizontal/vertical/right/left) ​

Which best represents the law of conservation of mass ?

What object a collides with object b and bounces back its final momentum is?

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z