TY - JOUR T1 - Testing discrepancies in the measurement of the acceleration of gravity in a physical pendulum experiment JO - Revista Brasileira de Ensino de FĂ­sica A1 - Castellanos, Ana R. Romero A1 - Alvarez-Salazar, C. E. A1 - Holanda, P. C. de SN - 1806-1117 UL - 10.1590/1806-9126-RBEF-2019-0154 VL - 42 Y1 - 2020 PB - Brasil ER -