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Velocity of sound 27 d c is 340m/s calculate velocity of sound in air at 127d c
1 answer
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A gun of mass 20 kg fires a bulllet of mass 50 g with a velocity of 200 ms. Calculate the velocity of the recoil of the gun
4 answers
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Answers (2)
If a tank has water to the depth of 10m calculate the pressure exerted by it
392.6 m/s
