Higher frequency sound waves are perceived as having  higher pitch
Answer from: Quest
the old price per ounce is c/4.
the new price per ounce is c/3.6.
the ratio of the old price to the new one is
(c/4)/(c/3.6) = (c/c)×(3.6/4) = 0.9 . . = 9/10 . . "nine tenths" in either form
Answer from: Quest
0.93xc=0.93x3x10^8m/s
2.54cm is 1 inch
360seconds i 1 hr
Another question on Physics
Physics, 21.06.2019 19:30
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.
The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)