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Reil [10]
3 years ago
12

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

Physics
1 answer:
LiRa [457]3 years ago
7 0

f= 2000hz

w.l. = .35m

speed = f × w.l.

700m/s

now dist. = 1500 m

time= d/sp.

1500/700

15/7s

2.142sec.

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In degrees, it is

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3 years ago
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Helen [10]
Answer is B hope this helps
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