How does the valence of the element relate to its chemical activity?

Calculate the average velocity of a dancer who moves 5m toward the left of the stage over the course of 15 s

If you push on a heavy box that is at rest, you must exert some force to start its motion. 5. however, once the box is in motion you need a smaller force to maintain that motion. why?

Scietist who studies the forces that make and shape planet earth

Which of the following statements is true? Compounds keep the chemical properties of the elements they are made from. Molecules are made of two or more atoms. John Dalton was the first person to propose the idea of an atom. All of the above.

Which describes a sound wave? A) A sound wave travels in a vacuum. B) A sound wave is a longitudinal wave. C) A sound wave is an electromagnetic wave. D) A sound wave has one constant speed.

How do whales bats and dolphins use echolocation? A To scare away predators B To attract mates C To orient them selves and find food D To tell animals of there species where they are

How much force would be needed to move a car with the mass of 100kg to an acceleration of 5m/s/s?

A pendulum bob is made from a sphere filled with water. What would happen to the frequency of vibration of this pendulum if the sphere had a hole in it that allowed the water to leak out slowly?

Elias serves a volleyball at a velocity of 16 m/s. The mass of the volleyball is 0.27 kg. What is the height of the volleyball above the gym floor when its total mechanical energy is 41.70 J? Round to the nearest number.

Which of the following is the best description of a graph? A. Equations that can be plotted B. A representation of an equation C. Independent and dependent variables D. x and y lines