Who were major innovators of the late nineteenth or early twentieth century?

Choose all answers that are correct.

Alexander Graham Bell

Thomas Edison

Robert Fulton

Orville and Wilbur Wright

Samuel Gompers

Henry Ford

A parallel-plate capacitor has an area of 4.90 cm2 and the plates are separated by 0.500 mm. The capacitor stores a charge of 391.0 pC. What is the potential difference across the plates of the capacitor? The permittivity of a vacuum is 8.

A typical internal combustion gasoline engine is only about 25% efficient. What happens to the other 75% of the energy? A. It remains in the fuel. B. It is converted to unusable forms of energy. C. It is converted to other usable forms of energy. D.

An ostrich can run at speeds of up to 72 kilometers per hour. How long will it take an ostrich to run 1.5 kilometers at this top speed?

A house is maintained at 1 atm and 24°C. Outdoor air at 5.5°C infiltrates into the house through the cracks and warm air inside the house is forced to leave the house at a rate of 90 m3 / hr. The gas constant of air is R = 0.287 kPa·m3 / kg·K.

While chopping down his father's cherry tree, george discovered that if he swung the axe with a speed of 25 m/s, it would embed itself 2.3 cm into the tree before coming to a stop. if the axe head had a mass of 2.

Explain what happens to each ball after the collision. Why do you think this occurs? Which of Newton's laws does this represent?

A wave has a wavelength of 8 mm and a frequency of 11 hertz. What is its speed? Your Answer:?

Make a claim for the behavior of charged objects with other charged objects. Make a claim for the behavior of charged objects with uncharged objects. Explain. From the Sticky Tape Lab.

In what ways does a stream transport its load, and which part of the load moves most slowly? Select all that apply. A. as a suspended load B. as a bed load C. as a dissolved load D. as a dissolved load

Use what you have learned so far about heat transfer to explain how hot rocks can be used to make steam?