Whose innovations include the electric lightbulb and the phonograph?

Alexander Graham Bell

Henry Ford

the Wright brothers

Thomas Edison

As a storm front moves in you notice that the column of mercury in a barometer rises to only mm. (a) what is the air pressure? kpa (b) if the mercury in this barometer is replaced with water, to what height does the column of water rise?

Which element's atoms have the greatest average number of neutrons? Which element's atoms have the greatest average number of neutrons?

Why isn't the fit perfect if all the continents used to be Pangea?

Is mashed unpeeled potatoes homogeneous or heterogeneous?

How long will it take a transverse wave to propagate from one end of the string to the other?

The direction of the magnetic field is determined by which of the following? A. energy of the current B. magnetic domain C. magnetic force D. direction of the current

A ship is traveling at 154 m/s and accelerates at a rate of 1.80 m/s^2 for 1 minute. What will its speed be after that minute? Calculate the answer in both meters per second and kilometers per hour.

Gerry is looking at salt under a powerful microscope and notice a crystalline structure. what can be known about the salt sample that Gerry is looking at

The kinetic energy of a moving object is equal to the work required to bring it to its speed from rest, or the work the object can do while being brought to rest.

Imagine standing on a bathroom scale and reading your weight. now lift one foot and read your weight again. does the scale read more, less or the same weight when you are standing on one foot?