What are some ways you can vary your tone of voice to you communicate effectively with others? a. speaking aggressively
b. speeding up or slowing down
c. checking your inflection
d. talking more loudly or quietly

To travel at constant speed, a car engine provides 24kw of useful power. the driving force on the car is 600n. at what speed does it travel?

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

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.