Tema lucrarii: Determinarea

experimentala a perioadei pendululi

gravitational

Materiale folosite: rigla, raportor, cronometru,

pendulul gravitational

R

Material bibliografic: manualul de

biologie

CLASA A XI-A E

TABEL DE VALORI Nr. Crt t=60s t=30s t=15s t=10s

1 n=55 n=28 n=14 n=9T=1,09 T=1,07 T=1,07 T=1,11

2 n=56 n=27 n=14 n=9

T=1,07 T=1,11 T=1,07 T=1,11

3 n=56 n=14

T=1,07 T=1,07

Tmediu practic =1,084 L=30cm=0,3m Eroarea= 0,014

Tteoretic=1,098 g=9,81

Tmediu practic=1,09+6∗1,07+3∗1,11

10 =1,084

Tteoretic =2π√ lg=2*3,14*√ 0,39,81=1,098

Eroarea= Tteoretic-Tmediu practic=1,098-1,084=0,014