A football player with a mass of 85 kg wears a uniform and helmet that have a mass of 4.5 kg. The football player moves at 2.1 m/s. What is the total momentum of the football player and uniform?

A student is cooking an egg in a pan on a stovetop. What is the main method of heat transfer between the pan and the egg?

Astrology is the study of the Earth, Moon, and Stars in space. true or false

Methane can have many isomers.

Old seafloor gets subducted and destroyed where?

What is sight alignment? A what you do to identify your dominant eye B the foundation for shooting and hunting safety C the process of lining up a firearm's rear and front sights D what you see when a firearm's sights are aligned correctly with the

Explain Newton's First Law for the following. If you walk across the room holding a ball, when should you drop it to ensure that it lands on a target? Before, after or when you are directly on the target?

In what way are all forms of potential energy the same?

Enise is riding her bike and falls to the ground. During the collision, she hits both grass and cement. Which best explains why Denise had fewer injuries to the area of her body that hit the grass?

A rock is dropped into the Grand Canyon. It takes 18 seconds to hit the bottom. Calculate how deep the canyon is.

A change from one form of energy into another is called a. gravitational potential energy. b. work. c. conservation of energy. d. an energy transformation