Two identical piano wires have a fundamental frequency of 494 hz when kept under the same tension. what fractional increase in the tension of one wire will lead to the occurrence of 5 beats/s when both wires oscillate simultaneously?

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.

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25º, b) el tiempo que el balón permanece en el aire.