AU - BRIMICOMBE,MICHAEL TI - PHYSICS IN FOCUS SN - 0174481748 U1 - 530/BRI PY - 1990/// CY - UNITED KINGDOM PB - THOMAS NELSON AND SONS LTD. KW - PHYSICS KW - A LEVEL PHYSICS PREPARATION KW - FORCES KW - MOMENTUM KW - ENERGY KW - ELECTRICITY KW - ELECTRONICS KW - WAVES AND OSCILLATIONS KW - FIELD AND POTENTIAL KW - RADIOACTIVITY KW - ELECTROMAGNETISM KW - WAVES IN SPACE KW - THEMODYNATICS ER -