A sound wave with a period of 0.050 seconds is traveling through the air at STP. What is the wavelength of this wave? Please write your answer with two significant figures and appropriate units

Which statement best describes how private industry decides where to spend the money on research and development

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.

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up