Why are networks of cables not used to send information from a remote control to a television?
A. Infrared radiation cannot travel through cables.
B. Microwaves cannot travel through cables.
C. Cables slow down the speed at which information is
communicated
D. The information needs to travel only a short distance.

What is the maximum acceleration of the wing tips, in units of g?

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

Um vetor representa um deslocamento cujo módulo é 20 m. se v faz um ângulo de 60 graus com a horizontal, qual é o valor das componentes horizontal e vertical deste vetor?