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Ocean waves of wavelength 30m are moving directly toward a concrete barrier wall at 4.8m/s. The waves reflect from the wall, and the incoming and reflected waves overlap to make a lovely standing wave with an antinode at the wall.

A student combined equal amounts of two solutions. One solution had a pH of 2 and the other had a pH of 12. Which would most likely be the resulting pH? A. 1 B. 3 C. 6 D. 11

Which statement correctly describes a chemical reaction? Reactants come out of a reaction. Energy is always released. Bonds between atoms break and new bonds form. Products go into a reaction.

If the useful power output of the plant is 80.0 mw, how much energy is absorbed per hour

Describe how an aurora is formed

When you flick a coin so that it slides across a table, it slows down. (a) whts is the name of the force that slows it down? (b) how many forces are acting on the coin after your finger stops pushing

If you push on a wall with a force of 200 N, with what force does the wall push back?

What form of matter is "vapor"?

If a recipe says to bake a pizza in 250 degrees Celsius at what temperature should you set your temperature that uses Fahrenheit scale

A German scientist, George Ohm, discovered the relationship between current, voltage, and resistance. This became known as Ohm's law.