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

Which of the following communication barriers is very difficult to overcome? a. stereotypes b. assuming similarities c. different communication codes d.

disavantages of asexual reproduction are ____

Lines g and h are parallel and m 1 = 45°. What is m 8? Question 7 options: 45° 65° 115° 135° Save

Choose the system to which this item belongs: hemoglobin excretory circulatory endocrine digestive respiratory

Women gained the right to vote by 1914 in a. France b. Great Britain c. Switzerland d. Norway

Identify the series as geometric or arithmetic. 2, 4/3, 8/9, 16/27

Which is the adjectival phrase in the sentence? Those old patio chairs on the deck are beginning to rust. A. on the deck B. patio chairs C. Those old D. be

Which of the following is a stress-related disorder/disease? (Choose all that apply.) -Migraine headaches -tense muscles -heart disease -tmj dysfunction -asthma

En Nicaraqua...? A. hay menos turistas que Costa Rica. Es un lugar para relajarse. B. muchas personas viven en el jesierto que cubre mucho del país. C. es impor

Which of these modes of narration does Emily Brontë use in Wuthering Heights?