una alarma emite ondas del sonido con una frecuencia de 500HZ y una amplitud 0.3m. las ondas viajan a una velocidad de 250m/s ¿cual es la longitud de la onda y el periodo de las ondas emitidas?

Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.