Answer this question only if you know 17 points and brainliest : )

Determine the maximum r-value of the polar equation r =3+3 cos 0

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?