In which of these samples do the molecules most likely have the least kinetic energy?

A) solid iron at 25°C

B) molten iron at 1600°C

C) solid iron at 98°C

D) iron vapor at 2900°C

As time progresses a capacitor hooked up to a battery begins to act like a. a resistor draining power from the battery b. Another battery but working against the first battery c. Another battery aiding the first battery d.

What characteristics determine how easily two substances change temperature? Check all that apply. volume of the two substances in contact amount of time the two substances are in contact area in contact between the two substances specific heat of

Which of the following is the flow of electrons through a wire or a conductor

What were four of Galileo's discoveries that were important to astronomy?

Which features form when magma cools beneath earths surface Geysers Calderas Batholiths Volcanic necks Dome mountains Check all that apply

The force of gravity on a 2-kg rock is twice as great as that on a 1-kg rock. why then doesn't the heavier rock fall faster?

Which of the following statements is true of the carbohydrate glucose? A. Glucose is a pentose sugar B. Glucose is a polysaccharide C. Glucose contains carbon, hydrogen, and oxygen atoms

Who first proved that the sun is not at or even close to the center of the milky way galaxy?

How does the potential energy of an object change when its height is tripled

Equal masses are suspended from two separate wires made of the same material. The wires have identical lengths. The first wire has a larger cross-sectional area than the second wire. Which wire will stretch the LEAST? a.