Explosives are used to blow a rock apart. The explosion blows the rock apart into three fragments. Two fragments go off at an angle of 105 degrees to each other -- a 6.2 kg piece at 34.3 m/sec and a 3.7 kg piece at 29.7 m/sec. Calculate the speed of the 3rd piece, if it has a mass of 5.5 kg.

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A: Mass of the pellet  (m) =0.55gm =0.00055 kgKinetic energy of the pellet = 12mu2=3.35JThe velocity of…

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A: mass of marble (m) = 0.0315 kg mass of pendulum (m') = 0.25 kg Initial speed of marble (u) = 5.65…