Imagine that martians launch a rocket toward the Earth at a great speed. While the rocket is traveling toward us, it will appear than it actually is. A. larger
B. darker
C. more blue
D. more red

The dot diagram represents the motion of the motorcycle as it moves from left to right

What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.

Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.