Billy is pulling his sister Joslyn in the sled. Based on your knowledge of F=ma, describe what would happen to the motion of the sled if Joslyn's friend Lisa also wanted to ride.

How many seconds does it take a pebble released from rest off a bridge to fall 29.4 m ? what is the pebble's speed when it has fallen 29.4 m ?

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance

The pressure proportional to the area a- inversely b- directly c- increase d-decrease