Which ray diagram correctly illustrates what happens when light is incident from air onto a flat glass surface? The dotted line represents the normal.

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?