What are the factors affecting elasticity?

If the current flowing through an electric heater increases from 6 to 12 amp while the voltage remains the same, the heat produced by the heater will be a. reduced one-half. c. two times the original heat. b. unchanged. d.

Which of the following is a metric conversion? A. 1 kilometer = 1000 meters B. 1 mile = 5280 feet C. 1 pound = 16 ounces D. 1 gallon = 4 quarts

If you know the percent composition of a substance can you determine its molecular formula

The relationship among speed, distance, and time is

A vector of components (6, 2) is multiplied by the scalar value of 3. What is the magnitude and direction of the resultant vector? magnitude: 19.0; direction: 18.4° magnitude: 8.49; direction: 45.0° magnitude: 2.11; direction: 12.6° magnitude: 18.

How do the properties of sound waves change as they spread out in a spherical pattern?

Sandra moves 14 m in 2 minutes. What is Sandra's average velocity (in m/s) ?

Consider two waves X and Y traveling in the same medium. The two carry the same amount of energy per unit time, but X has one-seventh the amplitude of Y. What is the ratio of their wavelengths? (λY/λX=?)

A 60-kg man uses an electric chair to carry him up the stairs. if the chair has a mass of 200 kg, what power must a motor generate to transport the man and chair 5 m vertically in 10 seconds, assuming a constant velocity and ignoring all forces

5. A massless string passes over a frictionless pulley and carries mass m, hanging at one end and mass 'mz' connected by another mass less sting to mass 'mz' at the other end as shown in figure.