Un tren sale de una estación a una velocidad media de 25km/h durante 2 min. Después, avanza a una velocidad media de 90km/h durante 10 min, y baja su velocidad media a 25km/ h durante medio minuto para entrar en la siguiente estación. ¿Que distancia hay entre las dos estaciones?

Abug is 12 cm from the center of a turntable that is rotating with a frequency of 45 rev/min . what minimum coefficient friction is required so that the bug stays on the turntable?

Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?

When using the scientist method, which step comes last?