If 2 grams of element X combine with 4 grams of element Y to form compound XY, how many grams of element Y would combine with 46 grams of X to form the same compound?

In which state of matter do the particles have the most energy? plasma solid liquid gas

A rocket is continuously firing its engines as it accelerates away from Earth. For the first kilometer of its ascent, the mass of fuel ejected is small compared to the mass of the rocket.

A girl walks South at 2.7 m/s. What is the y component of her velocity

A hair dryer uses 72,000 joules of energy in 60 seconds what is the power of this hair dryer

When it is summer at the South Pole, A. the Northern Hemisphere is tilted toward the Sun. B. both the Southern and Northern Hemispheres are tilted toward the Sun. C. the Southern Hemisphere is tilted away from the Sun. D.

What is the potential energy called that is associated with objects that can be stretched

Which of the following is not a current use of radioisotopes? medical diagnosis sterilization of equipment detection of leaks in building structures light fixtures

A Blu-ray disc is approximately 11 centimeters in diameter. The drive motor of a Blu-ray player is able to rotate up to 10,000 revolutions per minute. (a) Find the maximum angular speed (in radians per second) of a Blu-ray disc as it rotates

A body has translatory motion if it moves along a

What is Nothing. (sorry i have been wondering this for a very long time)