badnetpratik
badnetpratik badnetpratik
  • 25-02-2021
  • Physics
contestada

a wave of frequency 1khz has wave length of 100 cm.how longwill it take to move through a distance of 2 km
​

Respuesta :

celly786712 celly786712
  • 25-02-2021

f= 2000hz

w.l. = .35m

speed = f × w.l.

700m/s

now dist. = 1500 m

time= d/sp.

1500/700

15/7s

2.142sec.

Answer Link

Otras preguntas

If f(x) = 5x - 4, what is f(-2)?
someone please help me do this...
What is the role of the nervous system in heartbeat regulation?
identify three effects of the enlightenment
divide $200 in the ratio 3 : 2. what is the result?
How can a chromosome regulate transcription and decrease it? A: the region that codes for RNA folds B: the region that codes for RNA mutates C: the region that
The direct labor quantity standard is sometimes called the direct labor select one: a. volume standard. b. effectiveness standard. c. efficiency standard. d. qu
select all of the key words for the following sentence. Each male had a responsibility to serve on a permanent seat on the local assembly.
Tina had a mixture of sand, gravel, pebbles, and clay. She placed the mixture on a fine wire screen. Then she shook the screen. What will fall through the scree
Two common vaccines for the nervous system are what ? a.herpes simplex , chicken pox b. meningitis , encephalitis c. polio , tetanus