A marine weather station reports wave along the shore that are 8 seconds apart. The frequency of the waves is therefore -hertz

In order to place a satellite into orbit, it requires enough fuel to supply the necessary mechanical energy. into what types of mechanical energy does the fuel get transformed?

An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45∘. what percentage of the initial intensity is transmitted by the system?

In science and physics what is the standard unit of measure for speed?