What is the freezing point of radiator fluid that is 50% antifreeze by mass?
kf for water is 1.86 c/m.
express your answer to three significant figures and include the appropriate units.

What happens to the light rays when they hit the specimen?

An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45∘. what percentage of the initial intensity is transmitted by the system?

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.