What is the wavelength of a sound wave if the air is 20 degrees Celsius, and the frequency is 100 Hz? Question 9 options:

41.16 m

3.52 m

None of these.

3.43 m

2000 m

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)

A4.0-cm tall light bulb is placed a distance of 32.0 cm from a concave mirror having a focal length of 16.0 cm. determine the image distance