23 is 2% of what

number?

What force is responsible for the repulsion between two positively-charges particles?

Two tuning forks produce sounds of wavelengths of 3.4 meters and 3.3 meters. Given that the speed of sound in air is 340 m/s, approximately what is the beat frequency produced by these two tuning forks?

if a current flowing through a lightbulb is 0.75 ampere and the voltage differences across the lightbulb is 120 volts how much resistance does the lightbulb have

Which theory best explains the present arrangement of continents oceans and landforms on earth? A the Pangaea theory B The continental puzzle theory C plate tectonic theory.

We have seen that the heart produces a magnetic field, and that this can be used to diagnose problems with the heart. The magnetic field of the heart is a dipole field that is produced by a loop current in the outer layers of the heart.

Why can you not measure the volume of water in the measuring cylinder accurately unless you look straight at the scale?

How can biologic weathering result in chemical weathering? A. Bacteria release acids and other agents that break down rock B. Large herds temple rocks and break up soil C. Root loosen soil and break rock

Volcanic eruption affects water drainage but what may that result in

The probability that a battery will last 10 hr or more is 0.8, and the probability that it will last 15 hr or more is 0.11. Given that a battery has lasted 10 hr, find the probability that it will last 15 hr or more

What is the sum of 9260 and 3240? Express your answer numerically to at least three significant figures.