Answer:
The answer is heat a saturated sugar water solution, dissolve more sugar, then let the solution cool
Explanation:
B: 980 Hz
Ohm's law:
V = IR
V = (30 A) (20 Ω)
V = 600 V
0.331m
wave equation: v=f λ
v=30000m/s
f=90500 Hz
λ=
λ= 0.311m