Two tuning forks are labeled Q and R and have different frequencies. Tuning fork Q has a frequency of 270 Hz and tuning fork R has a frequency of 540 Hz. Both tuning forks are struck at the same time on opposite sides of a physics lab to make sound waves. Which of the sounds, if either, will move faster through the air?
Answers: 1
Physics, 22.06.2019 22:30, nickocasamplonp6mlob
The drag force, fd, imposed by the surrounding air on a vehicle moving with velocity v is given by fd = cdaρv 2/2 where cd is a constant called the drag coefficient, a is the projected frontal area of the vehicle, and ρ is the air density. an automobile is moving at v = 80 kilometers per hour with cd = 0.28, a = 2.3 m2, and ρ = 1.2 kg/m3.
Answers: 2
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