L=0.29 м α=30 Т=?
R=L*sinα - радиус вращения
ац=ω²*R=ω²*L*sinα
ац/g=tgα
ω=2*π/T
ω=√(g/(L*cosα))=√(9.8/(0.29*0.57))≈7.7 рад/с
T=2*3.14/7≈0.82 c
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Verified answer
L=0.29 м α=30 Т=?
R=L*sinα - радиус вращения
ац=ω²*R=ω²*L*sinα
ац/g=tgα
ω=2*π/T
ω=√(g/(L*cosα))=√(9.8/(0.29*0.57))≈7.7 рад/с
T=2*3.14/7≈0.82 c
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