Scientists analyze a piece of wood that was found in Jerusalem. they found that 50% of the carbon-14 was still remaining. how old was that piece of wood?

A 25 kh inductor carries a current of 60 ma. how much energy is stored in this system

describe the relationship that exists between amplitude of a wave and the amount of energy that the wave carries

If the cat travels a total distance of 27.9 m in 3.2 seconds what will the cats speed be

If all distant galaxies are expanding away from us, does this mean we're at the center of the universe?

The blade on a typical table saw rotates at 3300 revolutions per minute. calculate the linear velocity in miles per hour of one of the teeth at the edge of the 14 inch diameter blade.

How does kinetic energy connect or relate to Newtons second law of motion?

In the United States, the electricity generated by hydropower is about a. twice that generated by solar and geothermal. b. equal to that generated using wind technologies. c. twice as much as that generated by wind, solar, and geothermal. d.

An ac generator consists of a coil with 40 turns of wire, each with an area of 0.06 m2. The coil rotates in a uniform magnetic field B = 0.4 T at a constant frequency of 55Hz. What is the maximum induced emf?

The diagram shows the directions of the earth's rotation and the moon's orbit around the earth. Which of these phenomena occurs on earth because of this?

Which layer of the atmosphere is made up of charged atoms?