A 10 kg block is attached to a 2000 N/m spring and displaced a distance of 0.08m from its equilibrium position before it is released. Determine the period of oscillation, and the
frequency.

Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages