La aceleracion cuando hablamos de frenado se vuelve negativa

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will