Compared with an Earth year, a galactic year represents time on a grand scale but its not a consistent measurement across the galaxy
The relationship between speed of a wave w, frequency f and wavelength

is

For the wave of our problem,

and f=60 Hz, so its speed is
The correct answer is false cause how can u fit your finger in a wall something it's to small
F=9/5C+32 is the formula for Celsius to Fahrenheit.
Period = (1) / (frequency)
Period = (1) / (200 per second) = 0.005 second = 5 milliseconds