Tell me one way compound and elements are similar & one way compounds and elements are different

Calculate the mass of the object. Use. Matthew rolls a bowling ball with a speed of 2 meters/second. The ball hits the pins with 1.8 joules of kinetic energy. The mass of the bowling ball is kilograms.

How does a fixed pulley act as a machine?

Why does the airplane seem to be motionless while traveling

One of the goals of psychology is to predict future behavior or mental processes. Which of the following scenarios best illustrates this goal?

Why is it important to create pictorial and physical models before trying to solve an equation, solving a physics problem

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