Объяснение:
n1=10 n2=0.6*n1=6 ΔL=0.16 м L1=? L2=?
===
v1=n1/t=√(g/L1)/(2*π)
n2/t=√(g/L2)/(2*π)
(n1/n2)²=L2/L1=(10/6)²=2.78
L2=L1+ΔL=2.78*L1
L1=ΔL/1.78=0.16/1.78≈0.09 м (9 см)
L2=0.09+0.16=0.25 м (25 см)
Объяснение:
n1=10 n2=0.6*n1=6 ΔL=0.16 м L1=? L2=?
===
v1=n1/t=√(g/L1)/(2*π)
n2/t=√(g/L2)/(2*π)
(n1/n2)²=L2/L1=(10/6)²=2.78
L2=L1+ΔL=2.78*L1
L1=ΔL/1.78=0.16/1.78≈0.09 м (9 см)
L2=0.09+0.16=0.25 м (25 см)