18.How much momentum will a dump-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 m s-2
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v2 = u2 + 2as
v2 = 0 + 2 (10) 0.8
v = 4 m/s
⇒ p = mv
⇒ p = 10 × 4=p=40kgm/s~¹
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.How much momentum will a dump-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 m s-2
Explanation:
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