A breakwater at the entrance to a harbor consists of a rock barrier with a 60.0 m-wide opening. Ocean waves with a 25.0 m wavelength approach the opening straight on. At what angle to the incident direction are the boats inside the harbor most protected against wave action

Why are some galaxies’ spectra blueshifted rather than redshifted? question 4 options:

Which of the following represents an upside-down image?

Two thin 80.0- cm rods are oriented at right angles to each other. each rod has one end at the origin of the coordinates, and one of them extends along the x- axis while the other extends along the yaxis. the rod along the x- axis carries a charge of - 15.0 μ c distributed uniformly along its length, and the other rod carries 15.0 μ c uniformly over its length. find the magnitude and direction of the net electrical force that these two rods exert on an electron located at the point (40.0 cm, 40.0 cm). (e