Establece relaciones entre: a. El periodo y la frecuencia de una onda.
b. La velocidad de propagación de una onda y la frecuencia.
c. La longitud de onda y la velocidad de propagación.
d. Las ondas trasversales y longitudinales.
e. Cresta y valle de una onda.

Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j

Which one of the following research methods can show cause and effect

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers