Part A

A battery powers a circuit for a small noisy fan. The fan's motor gets warm as it turns. What energy

transformations are taking place?

In an illustration, lines of force are drawn around a magnet to illustrate the magnetic field induction poles force

It was a dark and stormy night, when suddenly you saw a flash of lightning. Three-and-a-half seconds later you heard the thunder. Given that the speed of sound in air is about 340 m/s, how far away was the lightning bolt?

Which rule states that electrons occupy the lowest available energy orbital?

What happens when molten material is heated from Earth's core? It sinks towards the core. It rises up towards the crust. Lava travels away from the core and forms the crust. Lava travels away from the crust and forms the mantle

Energy waves moving through the air

The linear, step wise representation of the process of science from the traditional scientific method, while simplified, does capture the core logic of science: testing ideas with evidence. 1.) True 2.) False

Most arson fires are produced through what? Accelerants Dynamite Chemical residues Steroids

A block with mass m1 = 9.4 kg is on an incline with an angle θ = 25° with respect to the horizontal. For the first question there is no friction, but for the rest of this problem the coefficients of friction are: μk = 0.22 and μs = 0.242.

When an electric current flows through a wire a magnetic field is created. To increase the power of the magnetic field you would A.

When Holly injures her shoulder playing baseball, she uses an instant ice pack to reduce the swelling. She breaks the inner, activator portion of the instant cold pack releasing the solid urea into the surrounding water.