The law of conservation of energy states that

A. energy cannot be converted from one from to another

B. energy cannot be created or destroyed

C. energy resources must be used efficiently

D. energy is constantly being lost to friction

What is the density of an object with a mass of 60g and a volume of 2cm3?

Which of the statements below is correct about waves? A) All waves do not carry energy. B) All waves carry energy without transferring matter. C) All waves carry energy by transferring matter. D) All waves transfer matter.

The radius of a car wheel is 3 inches. how far will the car travel in 10 revolutions of the wheel?

A blank is a prediction about the outcome of a test or experiment

A 60-kg runner raises his center of mass approximately 0.5 m with each step. Although his leg muscles act as a spring, recapturing the energy each time his feet touch down, there's an average 10% loss with each compression.

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?