Sound is said to travel in air at about 1100 feet per second- A man hears the axe striking the tree 11-5 seconds after he sees it strike the tree- How far is the man from the wood chopper -

The correct option is D 2420 ftSpeed =1100 feet/sTime =115 #160;s Distnace=speed × time #160; ⇒ 1100×115 ⇒ 2420 feet ...

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Standard IX

Physics

Echo

Sound is said...

Question

Sound is said to travel in air at about $1100$ feet per second. A man hears the axe striking the tree $\frac{11}{5}$ seconds after he sees it strike the tree. How far is the man from the wood chopper ?

2197

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2500

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Solution

The correct option is D $2420$ ft
Speed =1100 feet/s
Time $= \frac{11}{5} s$
Distnace=speed $\times$ time
$\Rightarrow 1100 \times \frac{11}{5}$
$\Rightarrow 2420 f e e t$

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Sound is said to travel in air at about 1100 feet per second. A man hears the axe striking the tree 115 seconds after he sees it strike the tree. How far is the man from the wood chopper ?

The correct option is D 2420 ftSpeed =1100 feet/sTime=115sDistnace=speed× time ⇒1100×115⇒2420feet

Sound is said to travel in air at about $1100$ feet per second. A man hears the axe striking the tree $\frac{11}{5}$ seconds after he sees it strike the tree. How far is the man from the wood chopper ?

The correct option is D $2420$ ft
Speed =1100 feet/s
Time $= \frac{11}{5} s$
Distnace=speed $\times$ time
$\Rightarrow 1100 \times \frac{11}{5}$
$\Rightarrow 2420 f e e t$