What is the speed of the train if the locomotive wheels with a radius of 1.2 M make 160 revolutions per minute?

univerkov | May 17, 2021 | education

To calculate the speed of the specified train, you must use the formula: V = 2 * Π * R / T = 2 * Π * R * n / t.

Variables: R is the radius of the locomotive wheels (R = 1.2 m); n is the number of wheel revolutions (n = 160 revolutions); t – elapsed time (t = 1 min = 60 s).

Calculation: V = 2 * Π * R * n / t = 2 * 3.14 * 1.2 * 160/60 = 20.096 m / s ≈ 20.1 m / s.

Answer: The speed of the indicated train is 20.1 m / s.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.