Question

1) A man standing in front of a cliff produces a sound and hears an echo after 2s. On moving 170 m away from the cliff, he produces the sound again and hears the echo after 3s. 1: on Select the correct sequence​

Answer 1

Answer:

Let the distance of the cliff from the initial position of the man be d m.

So, the distance traveled by sound in 3 sec=2d m

More Info In Attachment

Answer 2

Plagiarism is presenting someone else's work or ideas as your own, with or without their consent, by incorporating it into your work without full acknowledgement. All published and unpublished material, whether in manuscript, printed or electronic form, is covered under this definition.