WAEC / JAMB News

FREE WAEC GCE PHYSICS OBJ/OBJECTIVE AND ESSAY/THEORY EXPO/ANSWERS

PHYSICS OBJ:1-10: ADDCCCDBCA11-20: DDCADBBCAB21-30: BBDCDBABDC31-40: ABABDDDDBD41-50: AACDABDACD 1)Velocity of projection U_p =10m/sT= sqr root 2h/g Where H=1G=10T=sqr root 2*1/10=sqr root 0.2=0.447sV=UsinTita + gt V=10sin90 + 10*0.447V=10 +4.45V=14.5m/s================= 3)l=6.5md=3.0mm=0.003me=0.20mm=0.0002mF=60Nstress=F/AA=pie*D^2/4=3.142*0.003^2/4=3.142*9*10^-6/4=7.065*10^-6/4m^2stress=60/7.065*10^-6=8.49*N/m^2================= 2)i) The position of the ion of […]