Seudónimo
Seudónimo
10-12-2020
Physics
contestada
Why can ultrasound not be heard by humans?
Respuesta :
cierrajennings1
cierrajennings1
10-12-2020
Ultrasounds have sound waves that have frequencies greater than 20,000Hz (20 kHz). This is above the normal hearing range for humans which is why we can not here ultrasounds
Answer Link
cannionvalleyyyyy
cannionvalleyyyyy
11-12-2020
the person aboved me answered it
Answer Link
VER TODAS LAS RESPUESTAS ( 88+ )
Otras preguntas
What factors distinguish one biome from another?
Stanley puts $100 in the bank for two years at 5 % interest compounded annually. At the end of the two years, what is his balance?
What is the rubbing force that acts against motion between two touching surfaces .
Solve this system by using substitution: y=7x-10y=-3
0.285 to the nearest tenth
How are kingdom and genus related ??
what is a fraction of a circle of 120 degree
which property is illustrated by the equation (a+b)+c=c+(a+b)
what the fraction of a circle of 30 degree?
If the atmosphere is like a greenhouse, what parts of it function as the "glass"?
