Which country uses the least amount of energy per person? select one:

a. argentina

b. japan

c. united states

d. canada

Scientists use models to A) increase the duration of a volcanic eruption B) change the location of a volcanic eruption C) predict the damages due to an earthquake D) stop the occurrence of tsunamis due to an earthquake

Two violin strings are tuned to the same frequency, 277 Hz. The tension in one string is then decreased by 1.92 percent. What will be the beat frequency heard when the two strings are played together?

In the northern hemisphere the magnetic compass will normally indicate a turn toward the west.

If a spring has a spring constant of 2 N/m and it is stretched 5 cm, what is the force of the spring?

After pushing away from each other, two objects have equal but opposite momentum. Which of the following is true for the total momentum of the system? A It is twice the momentum of one object. B It is zero. C It is less than the initial momentum.

T/F all compounds are molecules but NOT all molecules are compounds.

particle is projected from the surface of the planet Krypton with a speed equal to 3.6 times the escape speed from that planet's surface.

Does the box contain positive charge, negative charge, or no charge? Does the box contain positive charge, negative charge, or no charge?

How does acceleration affect speed and velocity

What will not result in acceleration