Which changes of state are characterized by having atoms that gain energy? Check all that apply

melting

sublimation

freezing

vaporization

condensation

depositoin

What was Operation Overlord? a. the code name for the Allied invasion of Normandy b. the code name for the Axis invasion of France c. the code name for the project to build atomic bomb d. the code name for the project to build nuclear submarine

A cylindrical tank has a tight-fitting piston that allows the volume of the tank to be changed. The tank originally contains 0.110 m3 of air at a pressure of 0.355 atm. The piston is slowly pulled out until the volume of the gas is increased to 0.

Why is data organization important

What do siesmic waves and sound waves have in common

What is required for a rocket to lift off into space? a. thrust that is greater than Earth's gravity b. mass that is greater than Earth's c. very little air resistance d. more velocity than friction

Choose the correct statement. a. Usually, when one form of energy is converted to another, no energy is wasted. b. The total amount of energy in the universe is gradually decreasing. c. This statement illustrates the first law of thermodynamics. d.

A 10 cm3 block of paraffin (a type of wax) weighs 0. 085 N. It is carefully submerged in a container of gasoline. One cm3 of gasoline weighs 0.0069 N. a. What is the weight of the gasoline displaced by the paraffin? b.

What is a device made by joining two different materials to form a circuit that produces an electric current? a. convertor b. resistor c. semiconductor d. thermocouple

An elevator weighing 15000 newtons s raised in 50 seconds. If the distance between stories is 3.0 meters how much power is required of the motor?

Given the diamond shape of a baseball field and the speed with which baseballs are hit, why is it harder for a hitter to hit a homerun to center field than to right or left field? (Consider the effect of air drag on fast moving projectiles.)