The term pressure most nearly refers to which of the following?
a. another term for density
b. a property of water near the ocean bottom
c. force per area created by the weight of water
d. the pushing of ocean currents on objects in the ocean

If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?

At what time will the interfering waves have an amplitudeof zero?

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=