All electromagnetic waves travel in vacuum at the speed of c=3×10^8 m/s. find the wavelength of microwaves of frequency 10^10 hz

A12-kg bag of groceries is tossed onto a table at 4.0 m/s and slides to a stop in 2.2 s . modify the equation fδt=δ (mv) to find the force of friction.

Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes