What amount of extra kinetic energy will be released in the reaction n + 235u → 93rb + 141cs + 2 n ? in other words, what is the q-value of the reaction? the mass of 93rb is 92.9217 u, the mass of 141cs is 140.919 u, the mass of 235u is 235.044 u and the mass of n is 1.00867 u. the value of c 2 is 931.5 mev/u. answer in units of mev.

Point charges q1=+2.00μc and q2=−2.00μc are placed at adjacent corners of a square for which the length of each side is 1.50 cm . point a is at the center of the square, and point b is at the empty corner closest to q2. take the electric potential to be zero at a distance far from both charges. part a what is the electric potential at point a due to q1 and q2? express your answer with the appropriate units.

The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? a b c d

This lab will not "work" for some people - they won't be able to collect a clump of dna for their necklace. explain how it is possible to have actually extracted dna from your cheek cells, yet at the end of the lab procedures, it is not obviously visible.