Asample of shale contains 0.03% 238u by weight. calculate the number of spontaneous fissions in one day in a 106 kg pile of the shale by determining the following quantities. the density of uranium is 19 g/cm3. the spontaneous fission activity rate is 0.69 fissions/(kg·s).

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery

The movement of electrons between atoms is called an

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=