Which units are used to express sound intensity?

Decibels

Hertz

Volts

Amperes

Which statement is true? Gravity is the force of attraction between two objects with mass and is dependent on the distance between these objects. Gravity is the force that repels two objects that have opposite charges.

A 42 Watt light bulb is connected to a 12 volt source of potential

Explain two ways hydrogen for fuel cell vehicles can be produced

After working on her car, a woman wants to clean the dirt and oil off her face, oil is a nonpolar substance and will not wash off with water. Since she has no soap handy, w of the following will remove the oil best?

An object is dropped from a platform 400 ft high. ignoring wind resistance, what will its speed be when it reaches the ground?

Distance divided by time what is velocity

The decay constant of a radioactive nuclide is 4.6 x 10^-3 s^-1. What is the half-life of the nuclide? 2.5 min 2.0 min 1.4 min 3.6 min 3.1 min

A furlong is an old british unit of length equal to 0.125 mi, derived from the length of a furrow in an acre of ploughed land. a fortnight is a unit of time corresponding to two weeks, or 14 days and nights.

What is the unit measurement for pain relief tablets and is it SI units Or English system?

You hold a metal ring horizontally above a bar magnet standing on its end. You drop the ring and catch it before it reaches the magnet.