What is the lowest level of sound that can be detected by human hearing? 0 decibels 10 decibels 20 decibels 100 decibels

What is the rate of change in a objects position?

Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25º, b) el tiempo que el balón permanece en el aire.

Often called simply "velocity," this is the velocity of an object at a particular moment in time.