Question

Sound
Formative Worksheet
7. A man standing near a cliff with a seconds
pendulum fires a gun when the pendulum is at the
mean position and hears the echo when it just
reaches the extreme position. If the speed of sound
is 340ms-', calculate his distance from the cliff.
(A) 80 m
(B) 85 m
(C) 75 m
(D) 70 m
non atondant
dito​

Answer 1

Answer:

75m

Explanation: