2. A man standing beside a river sees a gun being fired on the other side of the river. He hears the sound 0.3 s after he sees the smoke.What is the width of the river? The velocity of sound in air = 332 m/s.
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Solutions Pdf. ... UP Board Solutions for Class 9 Maths (गणित); Balaji Publications ...
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the answer is that 99.6
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