4_lesson_Sound
Decibel_Scale___Mechanical_waves_and_sound___Physics___Khan_Academy_[360p].mp4
Decibel_Scale___Mechanical_waves_and_sound___Physics___Khan_Academy.srt
Decibel_Scale___Mechanical_waves_and_sound___Physics___Khan_Academy.vtt
Mach_numbers___Mechanical_waves_and_sound___Physics___Khan_Academy_[360p].mp4
Mach_numbers___Mechanical_waves_and_sound___Physics___Khan_Academy.srt
Mach_numbers___Mechanical_waves_and_sound___Physics___Khan_Academy.vtt
Production_of_sound___Mechanical_waves_and_sound___Physics___Khan_Academy_[360p].mp4
Production_of_sound___Mechanical_waves_and_sound___Physics___Khan_Academy.srt
Production_of_sound___Mechanical_waves_and_sound___Physics___Khan_Academy.vtt
Relative_speed_of_sound_in_solids,_liquids,_and_gases___Physics___Khan_Academy_[360p].mp4
Relative_speed_of_sound_in_solids,_liquids,_and_gases___Physics___Khan_Academy.srt
Relative_speed_of_sound_in_solids,_liquids,_and_gases___Physics___Khan_Academy.vtt
Sound_Properties_(Amplitude,_Period,_Frequency,_Wavelength)___Physics___Khan_Academy_[360p].mp4
Sound_Properties_(Amplitude,_Period,_Frequency,_Wavelength)___Physics___Khan_Academy.srt
Sound_Properties_(Amplitude,_Period,_Frequency,_Wavelength)___Physics___Khan_Academy.vtt
Speed_of_Sound___Mechanical_waves_and_sound___Physics___Khan_Academy_[360p].mp4
Speed_of_Sound___Mechanical_waves_and_sound___Physics___Khan_Academy.srt
Speed_of_Sound___Mechanical_waves_and_sound___Physics___Khan_Academy.vtt
Ultrasound_medical_imaging___Mechanical_waves_and_sound___Physics___Khan_Academy_[360p].mp4
Ultrasound_medical_imaging___Mechanical_waves_and_sound___Physics___Khan_Academy.srt
Ultrasound_medical_imaging___Mechanical_waves_and_sound___Physics___Khan_Academy.vtt
Why_do_sounds_get_softer____Mechanical_waves_and_sound___Physics___Khan_Academy_[360p].mp4
Why_do_sounds_get_softer____Mechanical_waves_and_sound___Physics___Khan_Academy.srt
Why_do_sounds_get_softer____Mechanical_waves_and_sound___Physics___Khan_Academy.vtt