As a skateboarder moves downhill, some of the energy of the skateboarder is

A) lost.

B) kinetic.

C) potential.

D) kinetic and some is potential.

Which of the following is the basis for arranging the elements in the modern periodic table? A) alphabetical order B) masses of atoms C) number of protons D) date of discovery

A merry-go-round with a radius of 5.2 is rotating at 2.5 revolutions per minute. What is the linear velocity of a child sitting on the outside edge of the merry-go-round?

What are protons, electrons, and neutrons correctly compared

What two properties show that the drink is a fluid

What material or device prevents the conducting of electricity?

A battery is used to?

A person riding on the roof of a freight train throws a ball forward. (a) If we ignore air drag and relative to the ground, is the ball moving faster or slower when the train is moving than when it is standing still?

Lemonade powder is stirred into water until it dissolves. Which are true statements? Check all that apply. A. Lemonade is the solute. B. Water is the solvent. C. Lemonade is the solvent. D. Water is the solute.

A skateboarder is accelerating forward. How would his acceleration change if he had more mass? A. His acceleration would decrease. B. His acceleration would be zero. C. acceleration would stay the same. D. acceleration would increase.

What is phanerogam? mention it's two group