The less dense areas created as a sound wave propagates are called what?

In liquids, the particles vibrate and change position, but the particles in liquids do not have more motion than the particles in gases. true or false

How many inches are in 100 yards

What is the speed of a periodic wave that has a frequency of 3.50 hz and a wavelength of 0.700 m?

A moving walkway has a speed of 0.4 m/s to the east. A Stationary observer sees a man walking on the walkway with a velocity of 0.3 m/s to the east. What is the man's velocity relative to the moving walkway?

A Lincoln Continental and a Yugo are making a turn. The Lincoln is four times more massive than the Yugo. If they make the turn at the same speed, then how do the centripetal forces acting upon the two cars compare. Explain.

Kendall has empty graduated cylinder with markings and an identical graduated cylinder partway filled with water. She also has a balance and a marble. Which statement best describes what Kendall can do? A.

2. With regard to the pH scale, a solution with a pH A. higher than 7 is considered an acid. B. lower than 7 is considered basic. C. of 6 is considered neutral. D. close to 14 is considered a strong base.

If a car rolls gently off a vertical cliff, how long does it take to reach 90km/hr.

In the game of volleyball, what skill relates to Newton's second law

The minimum breaking distance d in feet for a typical vehicle can be modeled with the equation d (v) = 0.045v2, where v is the vehicle's speed in miles per hour.