The sprinter ran 110 m in 11 seconds. What was her average speed in m/s?

During an investigation, a scientist heated 123.6 g of copper carbonate till it decomposed to form a black residue. The total mass of the black residue formed was 79.6 g.

A loaded gun is dropped on a frozen lake. The gun fires, with the bullet going horizontally in one direction and the gun sliding on the ice in the other direction. The bullet's mass is 0.04 kg, and its speed is 285 m/s. If the gun's mass is 2.

Which of the following does not describe the human brain? 1. Weighs about pound and a half 2. Wrinkled like a walnut 3. Size of a grape fruit 4. Texture of tofu

List three sedimentary rock structures, and explain how they record geological processes. (Earth Science)

1 3 Which describes how to calculate density? O mass divided by volume O volume divided by mass O mass added to volume volume subtracted from mass return

When stopping at a railroad crossing, you should be no closer than?

Imagine that you're standing in a large room when a loud noise is made. You begin hearing a series of echoes. Which characteristic of sound best explains what just happened?

How does the direction of friction relate to the direction of motion

Wich usage of water uses the least amount in a year in the united states A. public water supply B. livestock C. irrigation D. industry

What structure allows only certain things to pass in and out of the cells