Answer:
f = 91.1 Hz
Explanation:
As we know that it is given here that wavelength of sound in platinum is same as the wavelength of sound in air
so we can use the formula of wavelength in two mediums
now it is given that
frequency of sound in platinum is 750 Hz
now frequency of sound in air = f
now from above formula
BATANGAS
PUERTO PRINCESSA
DAVAO
(´。• ω •。`) ♡
the answer is D
To solve for speed or rate use the formula for speed, s = d/t which means speed equals distance divided by time.
<span>speed = distance/time</span>
Copper penny is the answer
so the 1st on is the one on the left, middle is right and the 3rd one is the right one