The temperature - 273°C is___.

100 °C is a greater temperature than which of the following? A. 212 °F B. 232 °F C. 313.15 K D. 373.15 K

Why can white light be separated into different colors? a. Particles of white light absorb the colors of different objects. b. Prisms change the chemical composition of white light. c. Matter absorbs and reflects white light differently. d.

Which occurs when a wave is reflected

A 600-N box is pushed up a ramp that is 2 meters high and 5 meters long. The person exerts a force of 300-N. What is the efficiency of the ramp?

What is the equation for calculating the electrical force, Fe, between two charges?

Two iron rods are placed horizontally, touching end-to-end. One end of one rod is heated. After some time, the other rod also feels warm to touch.

Which part of the motor is responsible for reversing the flow of current?

In a generator, as the magnet spins, opposite poles of the magnet push the electrons in opposite directions. This back-and-forth movement of electrons is called what? A) revolutions per minute B) direct current C) alternating current.

A train travels at a speed of 30 miles/hour and traveled a distance of 240 miles. How long did it take the train to complete its journey?

What is the mass number of a potassium atom that has 20 neutrons