Question

a person standing before a cliff shout and hears the echo after 1.6 s find the distance between the person and the cliff (speed of sound in Air=340m/s)​

Answer 1

Answer:272 meters

Step-by-step explanation:

Total distance =1.6*340

=544 meters

Distance between men and cliff=544/2

=272 meters

Answer 2

YOUR ANSWER IS 272 metres.

EXPLANATION:-

Given-

• Speed of sound in air = 340m/s
• Time taken by sound to reach the person's ear = 1.6s

Therefore distance travelled by the sound waves,

= (340×1.6)m

{since speed = distance/time, therefore distance = speed×time}

= 544 m

Note that this is the distance travelled by the sound from person's mouth to the cliff and from cliff to back to person's ear.

Therefore distance travelled by the sound = 2×distance between the cliff and the person.

So,

Distance between the cliff and the person

= (544/2)m

= 272m

Therefore the distance between the cliff and the person is 272m.

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