20 points!
17. the frequency of a sound wave determines
of the sound
18. the medium through which sound waves travel affects
of the sound
19. which person will experience what happens to sounds due to the doppler effect? two
friends riding bicycles side-by-side and talking; a father pushing a laughing toddler on a swing; a
boy sitting and watching television; a girl running and listening to her radio through earphones
21. electromagnetic waves are produced by the vibration of and a filed together.
22. the electromagnetic spectrum is divided into regions
23. what wave interaction occurs when waves combine and the resulting in a greater amplitude than the individual waves interference.
24. what wave interaction occurs when waves combine and the resulting wave has a smaller amplitude than the individual waves
25. whether an object is transparent, translucent, or opaque is determined by its ability to transmit light

Apply this to waves: count the number of waves passing each second (= frequency), and multiply by the length of each (= wavelength) to find the speed. speed = distance/time = l/T= l / (1/f) = f λ. Work through three examples: A simple example, perhaps for sound in air, with values in Hz and m.

Explanation:Apply this to waves: count the number of waves passing each second (= frequency), and multiply by the length of each (= wavelength) to find the speed. speed = distance/time = l/T= l / (1/f) = f λ. Work through three examples: A simple example, perhaps for sound in air, with values in Hz and m.

Amplitude is the fluctuation or displacement of a wave from its mean value. With sound waves, it is the extent to which air particles are displaced, and this amplitude of sound or sound amplitude is experienced as the loudness of sound

But it seems that in some circumstances, sound can jump between objects in a vacuum after all. Sound waves are travelling vibrations of particles in media such as air, water or metal. So it stands to reason that they cannot travel through empty space, where there are no atoms or molecules to vibrate.

answer:   you might love summer weather, but you don’t want it to feel like the sun is inside your car. but a hot car that just won’t seem to cool down might be a bigger of a problem than you think. your car relies on being at the right temperature.

explanation:

answera compound;