Which factor should change when comparing the boiling times of the liquids? A. The surface area of the boiling vessel
B. The type of liquid inside the boiling vessel
C. The original temperature of the boiling vessel
D. The volume of liquid inside the boiling vessel

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?