Why is it harder to hear someone through a wall?

A student exerts a force of 500 n pushing a box 10 m across the floor in 4 s. how much work does the student perform?

Use the formula h = - 16t2 + v0t. (if an answer does not exist, enter dne.) a ball is thrown straight upward at an initial speed of v0 = 56 ft/s. (a) when does the ball initially reach a height of 40 ft?

Refraction occurs when light crosses the boundary between one material and another material. what is the primary cause for this refracting of light upon crossing a boundary?

Oxygen and air are not synonyms. As a matter of fact air contains several gases. The most common gas in air is A) oxygen B) methane C) nitrogen D) carbon dioxide

Describe separate situations for when an authoritarian and delegative style of leadership would be utilized

A zero on the kelvin temperature scale is called "absolute zero." a. true b. false

Calculate the speed of a wave on a guitar string which has a mass of 55 g and a length of 30 cm if the tension in the string is 200 N

During a free fall Swati was accelerating at - 9.8m/s2. After 120 seconds how far did she travel? Use the formula = 1/2 * t2 to solve your answer. (Do not forget to keep units in your answer.)

How do sinkholes form?

What is the result of wave motion on water particles? A.) Water particles are pushed forward as they move up and down. B.) Water particles barely move forward as they move up and down. C.) Water particles are pushed down as they move side to side. D.