Could someone please answer all of the questions it is an emergency. Need it by tomorrow.. Thanks... it is 100 points

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

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k