When a positive electrical charge comes in contact with a neutral electrical charge what happens?

A. They attract each other

B. The positive charge becomes negative

C. The positive charge is cancelled out

D. Nothing

Why we don't say degrees Kelvin. For example Water freezes at 273K.

Which number should be placed in the blank to make the equation balanced Xe+___F2=XeF2?

A submarine is stranded on the bottom of the ocean with its hatch 25 m below the surface. In this problem, assume the density of sea water is 1.03 * 103 kg/m3.

Which of the following refers to an attractive force between two objects due to their mass

How would you describe a waning half moon

What does the color of a star determine

Scientific cosmology Choose one: A. investigates the overall structure and history of the Universe. B. pertains to legends and verbal history about the beginnings of the Universe. C. proves the Big Bang theory. D.

Which statement best describes longitudinal waves? A) Particles of the wave medium move perpendicular to the direction of propagation of the wave. B) Longitudinal waves do not require a material medium for propagation.

Three-fourths of the Earth's surface is covered by water. The water cycle includes these water sources evaporating and returning to Earth as rain and snow.

An object with a mass of 10.9 kg experiences a force of 18.53 N. What is the acceleration of the object? A. 2.2 m/s2 B. 1.7 m/s2 C. 16.83 m/s2 D. 1.3 m/s2