WAEC - Physics (2003 - No. 16)
A wave of weight length 0.30m travels 900m in 3.0s, calculate its frequency
68.0Hz
225.0Hz
1000Hz
750.0Hz
คำอธิบาย
V = \(\frac{s}{t} = \frac{900}{3} = 300\)m\s
f = \(\frac{v}{\pi} = \frac{300}{0.30}\)
= 1000Hz
f = \(\frac{v}{\pi} = \frac{300}{0.30}\)
= 1000Hz