Question

The equation of wave is
y = 10 cos 2pie( t/0.02 - x/10) where it is in
seconds. The frequency of the wave is
1. 50 Hz
2. 315 Hz
3. 10 Hz
4. 60 Hz​

Answer 1

Answer:

choose → 1. 50 Hz

Explanation:

2πf = 2π/0.02 = 100π , f = 50Hz , choose → 1. 50 Hz