Me decís como se hace este ejercicio y me lo explicáis es para hoy os lo agradecería mucho estoy agobiada no se como hacerlo y mi profe no explica nada

Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

If you divide a speed in miles per minute by 60, you get the same speed expressed in miles