Which types of matter are made of atoms

What is the mass of a car that weighs 140,000 N

Calculate how far a ball will travel horizontally if the ball reaches a high of 1.5 m above the ground and is thrown at a horizontal velocity of 45.0 m/s.

4. The Cenozoic Era is also referred to as the A. First Era. B. Age of Dinosaurs. C. Age of Fish. D. Age of Mammals.

Dropping a stone from a height is work or not?

What is the name of the variable that you change in an experiment? Question 1 options: a) dependent variable b) control variable c) graphing variable d) stable variable e) independent variable

Nanotechnology and microtechnology devices are both very tiny. However, one property of nanotechnology distinguishes it from microtechnology. What is this unique property? Nanotechnology can create new products.

Can an electron be found in an exact spot within an atom

In an ecosystem, why can only one species fill an ecological niche?

The speed of an object and the direction in which it moves constitute a vector quantity known as the velocity. an ostrich is running at a speed of 14.0 m/s in a direction of 54.0 ° north of west.

Adding or removing protons from an atom does what to the atom