Un tren viaja a 22m/s se detiene a 120 m cual es su aceleración media y el tiempo

Asuppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer.

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m

Formulating a hypothesis: part i since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of " because when writing your hypothesis