Which of the following has the greatest entropy? (Assume the same number of particles in each sample.)

an ice cube

steam

a glass of water

On a large scale, matter is mostly neutral. What is true of electric forces on a large scale? a) They are exactly zero. b) They are mostly negative. c) They are close to zero. d) They are mostly positive.

If an electric train is travelling south, which way is the smoke going?

An object is dropped from a 15 m ledge. What is the objects final velocity?

The eye of a category 2 hurricane is 450 nautical miles away and forecast to come ashore at your coastal location. the tropical storm-force winds extend 150 nautical miles.

Technician A says that high-intensity discharge (HID) headlights are brighter and have a blue tint. Technician B says that one defective turn signal bulb can cause the turn signal on the affected side to stop blinking (flashing).

Which of the following statements about Em waves is true? A. Em waves all have the same speed B. Em waves all have the same wavelength C. Em waves only travel through water D. Em waves all have the same amount of energy

A teacher has asked four students to state a scientific theory. Which student is correct?

What are the two main currents that affect the US on the east and west coast?

What role do volcanoes play in the flow of energy and cycling of matter on earth?

How does uniform linear motion differ from uniform circular motion?