Which phrase best describes wave motion? movement of energy through space or a medium movement of matter through space movement of energy within a particle movement of air molecules through a medium

Baseball Bat Testing Swing Force (N) Wood (Distance ft) Aluminum (Distance ft) Alloy X (Distance ft) 100 10 15 25 200 20 22 30 300 25 35 80 400 100 140 140 500 200 225 200 600 300 400 300 Which baseball bat will hit the ball the longest distance?

What are the two most common ways to produce hydrogen gas used in fuel cells?

Explain in terms of the arrangementbof particles the kinetic theory of matter

Which of the following will not conduct an electrical current? pure water tap water aquarium water ocean water

Why do we have thunder storms

A projectile is launched over a horizontal surface in such a manner that its maximum height is 3/5 of its horizontal range. Determine the launch angle.

Two identical capacitors are arranged in a circuit. What is the ratio of the equivalent capacitance of the circuit when the capacitors are in series to that when they are in parallel?

A car's position in relation to time is plotted on the graph. What is the car's average velocity for segment C? A) - 4 m/s B) - 0.25 m/s C) 0.25 m/s D) 4 m/s

What percent of my Iodine-131 sample will be left after 7 half-lives?

A 58.0 kg snow skier is on the top of 351 m high hill. After she has gone down a vertical distance of 142 m, what is her mechanical energy? Explain your answer (CER) !