How do you polarize a sound wave? units: give one unit for each item. magnification index of refraction focal length speed of light wavelength frequency light travels from a "fast" medium to a "slow" medium. the angle of refraction is 30°. what is known of the angle of reflection?

=force × distance a. work b. velocity c. pressure d. momentum

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

Acold front traveling southeast collided with a warm front traveling northwest the following map shows the weather on monday the day the two fronts collided which of these describes the weather forecast for mississippi on tuesday and wednesday