The texture of obsidian is best described as glassy. Why does obsidian contain few or no mineral grains? by the way I put it under physics because that's what it's labeled as on my side.

Why is net force a vector sum A. All forces have direction and magnitude B. Forces can only be attractive C. All forces are contact forces D. There are four fundamental forces

2. How far does a car travel in 90 seconds if it is traveling at a speed of 55 m/s?

An inductor is connected in series to a fully charged capacitor. which of the following statements are true?

When Mae is wearing a wool sweater. When she slides down the plastic slide at the playground, she becomes "charged." What does this really mean? •Mae could now be called a conductor. •Mae is now coated by electrons which were created by friction.

Summary of the big band theory

A hot spot is an area where material from deep within the mantle rises and melts through the crust above it. True or False

Which suspect is one who wrote the suicide note? Question 1 options: George Roberts Karen Roberts Mary Roberts John Huddleston

What happens when an atom is exposed to an energy source such as electricity? The electrons may jump to a higher energy level. The electrons move closer to the nucleus. The electrons may move to a lower energy level.

A coin completes 18 spins in 12 seconds. The centripetal acceleration of the edge of the coin is 2.2 m/s2. The radius of the coin is m.

A 70 kg boy is sitting 3 m from the ground in a tree. what is his gravitational potential energy