un barco emite un sonido que es percibido por otro barco despues de 12 s a que distancia estaran los dos barco si se encuentran en el polo norte y el agua como la temperatura estan a 0 grados

Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is