In order for a sound wave to travel, it must have ___?

Three identical 6.0-kg cubes are placed on a horizontal frictionless surface in contact with one another.

A mechanical wave moves through a medium, which can be what?

Carbon and oxygen, both nonmetals, bond to form a compound. What is the name of the carbon compound with one carbon and two oxygens? A) carbon oxide B) carbon dioxide C) carbon dioxygen D) monocarbon dioxide

Often, waves are said to be "out of phase" with one another. This means that one wave is shifted so that the peaks and troughs are not simultaneous. Which type of interference could be seen as "out of phase"? A) positive B) negative

Find the momentum of a 25kg object going 4 m/s.

Who wrote the mayflower compact?

In the formula for specific heat, which quantity is measured in units of J/g•°C? a - c b - Q c - T d - m

The acceleration of an object is proportional to which of the following? the mass the energy of the object the inverse of the mass the inverse of the force applied

Suppose you squeeze a sponge into a small ball. does the mass of the sponge change? Does it's density change?

A solid round bar with diameter of 2-in has a groove cut to a diameter of 1.8-in, with a groove radius of 0.1-in. the bar is not rotating.