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How much momentum will a dumb-bell of mass 10 kg transfer to the floor if it falls from a height of 80 cm? Take its downward acceleration to be 10 ms –2 , How much momentum will a dumb-bell of mass 10 kg transfer to the floor if it falls from a height of 80 cm? Take its downward acceleration to be 10 ms–2,
Dear StudentMass of dumb-bell = 10 kgHeight, h = 80 cm = 0.8 ma = 10 m/s^2u = 0v2– u2= 2 asv2– (0)^2= 2 × 10 × 0.8v2= 16v = 4 m/sMomentum p = mv= 10 × 4= 40 kgm/sThanks
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