Which statement best describes an antacid? a) An antacid increases the amount of hydrogen ions b) An antacid neutralizes excess hydrogen ions. c) An antacid decreases the level of hydrogen ions.

How are electromagnetic waves that are produced by oscillating charges and sound waves that are produced by oscillating tuning forks similar?

A penny falls from a windowsill 25.0 m above the sidewalk. How fast is the penny moving when it strikes the ground? (Remember that the velocity will be negative due to the downward motion of the penny)

Which factor has no effect on the motion of a mass on a spring? displacement mass period velocity acceleration

A 90g ball, initially at rest, is dropped from a height of 2.1m. a. Calculate the net force acting on the ball. b. Calculate the acceleration of the ball. c. Calculate the final velocity of the ball just before it hit the ground.

The average weather pattern of a region over a long period of time is known as A-weather B-climate C-elevation D-conditions

What two things change when an object is in motion

Calculate the energy equivalent in joules of the mass of a proton. [Show all work, including the equation and substitution with units.]

What is the final velocity of a rocket that is traveling at 205 m/s and accelerates at 8.03 m/s2 while moving 1750 m?

Is it possible to get a bruise inside your body?

he Period refers to the time it takes an individual particle (or coil) to complete one back and forth vibration about its fixed position. Contrast a low period set of continuous vibrations with a high period set of continuous vibrations.