Which of the following is not a type of system?

Mechanical Ecological Social Classical

The number of pieces of sausage needed by a pizza restaurant is given by the equation s 21n. In this equation, n is the number of pizzas the restaurant will make. How many pieces of sausage are needed to make 55 pizzas?

An 5kg object is 6 meters up hill. Find potential energy

Tyrone analyzes the emission spectrum of an unknown element. He observes two discrete lines at 600 nm and 650 nm, and he sees many lines corresponding to shorter wavelengths, with the strongest line being at 475 nm.

What is the amount of charge a capacitor can store per volt of potential difference?

Sakena Yacoobi was born in Afghanistan and educated in the United States. She started working with the International Rescue Committee (IRC) in Pakistan during the mid-1990s.

Why do space suits need to be pressurized?

Why do comets have tails?

The main characteristic of all vertebrates is the presence of a. cartilage b. a large brain c. a backbone d. an exoskeleton I got it. The answer was B

A projectile is thrown upward so that its distance above the ground after t seconds is h (t) equals negative 16 t squared plus 704 t. a) Find the maximum height the object reaches. b) Find the time it takes the object to reach the ground.

You are standing 100 meters from an object emitting a sound of constant intensity (loudness). You walk toward the source of sound until you are 20 meters from it. From your perspective, what has happened to the intensity of the sound?