What creates more pressure?

Check all that apply.

A. Fewer gas molecules

B. Gas molecules moving more quickly

C. Gases with less kinetic energy

D. Going to a lower altitude

What type of reactions releases energy. a. Combustion b. Displacement c. Double displacement d. Synthesis

Which factors affect the resistance of a material? Check all that apply. length currer thickness temperature voltage

Which type of microscope uses a beam of electrons to examine a specimen?

A 1000-kg car traveling at 66 m/s hits a 2000-kg car at rest and the two travel together after the collision. calculate the speed with which they move.

Which shared property belongs in the region marked "B"?

Which is a true statement about waves? A They always travel in every direction at the same time. B. They travel at different speeds through different materials. c. They cannot travel through liquids or solids. D.

What is s the best description of the constructive interference of light? A. two waves have the same direction of displacement. B. two waves have displacement in opposite directions. C. a longitudinal wave meets a transverse light wave D.

1875 kg car is traveling at 22 m/s. It's momentum is?

Hot air balloon rises because a) molecules become lighter when heated b) molecules move faster and farther apart when heated c) molecules are less attracted by gravity when heated d) molecules become charged and repel each other when heated

If the diameter of the space station is 730 m, how many revolutions per minute are needed for the "artificial gravity" acceleration to be 9.80m/s2?