Equation of Traveling Waves: Find the speed of an ocean wave whose displacement is given by the equation y = 3.7 cos(2.2x - 5.6t) where x and y are in meters and t is in seconds.
A. 2.5 m/s
B. 1.9 m/s
C. 3.5 m/s
D. 4.5 m/s
Answer: A
You might also like to view...
You can be certain that a collision between two objects is elastic if
A. The system’s total momentum is conserved. B. The system’s total energy is conserved. C. The system’s total kinetic energy is conserved. D. If the objects are bouncy or springy. E. If the objects stick together after the collision.
The total kinetic and potential energies of all the atoms and molecules of a substance is its
a. heat. b. internal energy. c. temperature. d. thermodynamics. e. none of the above
Which of the following radiations has the longest wavelength?
a. Infrared b. Visible c. Ultraviolet d. X-rays
The energy of a photon
a. is proportional to the wavelength of the light. b. is inversely proportional to the wavelength of the light. c. depends only on the speed of the light. d. depends only on the mass of the photon. e. depends on both the mass and speed of the photon.