A girl standing near her window claps her hands and hears the echo after 5 seconds. Find the distance traveled by the sound if the speed of sound in air is 340m/s.
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Given V=346m/s,t=5 second
Distance travelled =V×t
S=346×5=1730m i.e., in 5 second , the sound has to travel twice the distance between the cliff and the person. Thus , the distance between the cliff and the person
= 1730/2=865 metres
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Law of Magnetism ✓ Properties ✓ Induced magnetism ✓ Magnetic Materials ✓ Applications ✓ .
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