If we're interested in knowing the rate at which light energy is received by a unit of area on a particular surface, we're really trying to figure out the a. incandescence. b. luminous flux. c. illuminance of a surface. d. luminous intensity.

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

Why is the use of carbon-14 limited

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.