Imaidiot2007
Imaidiot2007 Imaidiot2007
  • 14-04-2020
  • Chemistry
contestada

Please help! What frequency of sound wave does boat sonar use? A. kilowatts B.electromagnetic C. ultrasound D.infrasound

Respuesta :

thatboijay90 thatboijay90
  • 14-04-2020

Answer:

c ultrasound. that wasn't toohard

Answer Link

Otras preguntas

3 One percent of a certain model of cars have defective mufers. Suppose 400 cars in this model are ready to ship. a. Find an approximate probability that more t
Photoautotrophs are able to convert inorganic materials into glucose. In order to do this, they require:
What does the Neolithic age stand for/mean In Greek?
Read this excerpt from Chapter 1 of Wheels of Change by Sue Macy. Some attribute the breakthrough to Ernest Michaux, a French carriage maker, though others cred
a person was able to invest 1,000 per month for 30 years with interest rate of 5%. 1. find out how much the person will have in 30 years.2. Do a scenario analys
The gene for brown eyes is dominant. What is needed in order for a person to have brown eyes?
A small child has a wagon with a mass of 10 kilograms. The child pulls on the wagon with a force of 2 Newton’s. What is the acceleration of the wagon?
plz me The Romantic period ended before which event? a The American Civil War b World War I c The French Revolution d The War of the Roses
How many formula units are in 32.6 grams of potassium oxide?
the 856 students at school represent a 20% decrease on the previous year, when the school population was