Which is not part of a DC motor?

coil of wire

magnet

compass

brush

commutator

Inertia is the resistance to change in motion so inertia depends solely on what?

Which statement is TRUE? A) In a series circuit, the resistors do not share the current. B) In a series circuit, as light bulbs are added, the bulbs dim. C) In a series circuit, if one bulb goes out the other bulbs will stay lit.

You are sliding across a hockey rink and catch a hockey puck as you continue to slide. What type of collision is this?

After an impact involving a non-functioning satellite, a paint chip leaves the surface of the satellite at a speed of 96 m/s. After 17 seconds, how far has the chip landed?

Instructions:Type the correct answer in each box. Round your answers to the nearest hundredth. A ball with a mass of 1.5 kilograms is tied to the end of a rope. The ball is pulled to a height of 0.5 meters above the ground and released.

In which of the following can you not find plasma

The conservation of energy covers all types of energy. This lesson has only provided a handful of examples of it. To be more convinced that it works in another context, devise an experiment to evaluate the conservation of energy.

Which technology category would NOT likely be the subject of a standard published by the International Electrotechnical Commission (IEC) ? A. Semiconductors B. Solar energy C. Encryption D. Consumer appliances

In the kitchen of your house you would like to run a 240 W blender, a 30 W phone charger, a 720 W toaster oven, and two 120 W lights. Assuming your house is wired for 120 Volts, how much current will be pulled by these electrical devices?

The specific heat of solid Substance A is 0.1 kJ/kg K. The specific heat of solid Substance B is 1.0 kJ/kg K. Which substance will require a higher number of joules to heat from 10°C to 20°C?