A man strikes one end of a thin rod with a hammer. The speed of sound...

Question

Question

science physics

Answer 1

Answer #1

Using relation

d =s*t

Where d is the distance of the rod

s is the speed

t is the time

Since distance is same

s_a/s_r = t_r/t_a

1/19 = t_r/t_a

t_a = 19t_r

Also t_a - t_r = 0.16s

equating both equatins

t_a = 19(ta - 0.16 )

t_a = 19t_{a -} 3.04

18t_a = 3.04

t_a = 0.1689 s

Hence length of the rod = 345*0.1689 = 58.267 m

Answer 2

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