6. A bicyclist accelerates from 0 m/s to 11 m/s in 4.5 seconds. What is his acceleration ? Is this acceleration higher than that of a car which accelerates from 0 to 28 m/s in 9.7 seconds?

Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

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.