Which effect is created when two sound waves that are close in pitch interact?
O A. Echoes
O B. Loudness
C. Beats
O D. Intensity

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

A15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°c to 175°c. what is the specific heat capacity of iron?

Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th