sushankweg sushankweg

13-07-2020
Mathematics

contestada

Differentiate between:
1.
Crest and trough.
2. Infrasound and ultrasound.

Respuesta :

09pqr4sT 09pqr4sT

13-07-2020

Answer:

A crest is the highest point of a wave.

A trough is the lowest point of a wave.

Infrasound is sound below the limit that humans can hear, below 20 Hz.

Ultrasound is sound above the limit that humans can hear, above 20,000 Hz.

Answer Link

Otras preguntas

An object with mass m = 0.56 kg is attached to a string of length r = 0.72 m and is rotating with an angular velocity ω = 1.155 rad/s. What is the centripetal f

2 pages essay on time management

Sharks and dolphins both have fins. These organs are analogous because they perform similar functions but they evolved independently. What does this indicate? T

Mathematics A private post -secondary corporation has 1 year low stock price of $18.69 and high price of $40.47.Assume that you bought it at the lowest price an

What is the answer to each equation?

help me!!!Which matrix multiplication is possible?

A public health organization reports that 30% of baby boys 6 - 8 months old in the United States weigh more than 20 pounds. A sample of 15 babies is studied. Ro

Help me to do exercise no 5

calculate the density of a solid of mass 20kg if it occupies a volume of 4m³

What is the primary role of county and municipal governments in Washington? to elect state legislators to enforce federal laws to provide public services to cre