HELP ME I WILL GIVE FIRST BRAINLIEST PLEASE 3. Using the equation acceleration = nal velocity-initial velocity find the acceleration of a car that goes from 5
time
meters per second to 20 meters per second in 5 seconds.

What if? if the temperature near the cliff suddenly falls to 0°c, reducing the speed of sound to 331 m/s, what would the initial speed of the rock have to be (in m/s) for the soccer player to hear the sound of the splash 2.90 s after kicking the rock?

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

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.