Which of these sources are used to generate electrical energy in power plants? Check all that apply.

coal

natural gas

biodiesel

nuclear reactions

wind

batteries

water

When it comes to collecting physical evidence, crime scenes are fortunately available for long periods of time. True False

A 5.4-kg ball is thrown into the air with an initial velocity of 35.2 m/s. a How much kinetic energy does the ball have?

The flywheel of a steam engine runs with a constant angular velocity of 140 rev/min. When steam is shut off, the friction of the bearings and of the air stops the wheel in 1.9 h.

What needs to be done to this circuit so that the light bulb lights up? a Question 13 options: close the switch add another lamp open the switch add another lamp

Explain what parallel medium boundaries do to the path of the wave after it travels through both boundaries. (air and water)

Which statement about ammeters and voltmeters is true? A. Current and voltage are the same throughout a circuit so where you place the ammeter and voltmeter doesn't matter. B.

Teens realize that things may be "shades of gray" after they enter Piaget's social stage. identity crisis stage. menarche stage. formal operational stage.

Technician A says that fractured rods have a unique mating surface and that only the cap that was fractured is the one that will fit that rod. Technician B says that a powdered metal rod is less expensive, lighter, and as strong as a forged rod.

What is the expected wavelength (in cm) of 10.5 ghz microwaves in free space?

There are 5,280 feet in 1 mile and 12 inches in one foot. How many inches are in a mile?