Explain the process by which cell phones transmit data using energy and waves

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

The same side of the moon always faces earth because the

Deferentiate volatile and non volatile acid