Un bloque de madera, Cuyo volumen es de 10 Litros, Flota en el agua con la mitad de su volumen sumergido¿Cual es en litros el volumen del agua desalojada por la madera?

The path of a satellite orbiting the earth causes it to pass directly over two tracking stations a and b, which are 51 miles apart. when the satellite is on one side of the two stations, the angles of elevation at a and b are measured to be 87 degrees and 84 degrees, respectively. (a) how far is the satellite from station a? (b) how high is the satellite above the ground?

If frequency goes down, what happens to wavelength? does it get shorter or longer?

In the graph, each sinusoidal curve shows the shape of a vibrating string at a different moment. for which values of x does a node occur? (let k = an integer from -2 to +2.) k + 0.5 0.5k k 2k + 1.5