Heat transfer by conduction?

Which statement is true about the loudness of sound? A. It is directly proportional to the distance of the listeners from the source. B. It is inversely proportional to the square of the distance of the listener from the source. C.

What is the relative humidity if at 3 pm the dry bulb reads 66 f and the wet bulb also reads 66 f

Given a resistance of 1500 ohms and a current on 0.03 amps, what's the voltage

1. Assume that the dunes in a field of barchans sand dunes are moving at an average long-term rate of 30 meters (about 100 feet) a year. How many years does it take a dune to move a distance of 500 meters?

Which statement best describes longitudinal waves? A) Particles of the wave medium move perpendicular to the direction of propagation of the wave. B) Longitudinal waves do not require a material medium for propagation.

What is the mass number of a potassium atom that has 20 neutrons

If an atom has a mass number of 23, which of the following is always true? The number of protons in the nucleus does not equal the number of neutrons. The atomic number is less than 11. The atom is not an isotope.

What does the law of conservation of energy say

How many elements are in the lanthanide series?

Photon energy is proportional to which of the following. a. speed of light in a vacuum. B frequency of the light emitting the photon. C intensity of the light emmitting the photon. D wavelegnth of light emmitting thr photon.