sound travels at 330 m/s. you hear the sound of a bat hitting a homerun 0.5 seconds after you see it how far away from the batter are you

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?

How many atoms of nitrogen are in the chemical formula ni(w on