A 2kg block drop vertically from a hright of 40 cm on a spring whose spring constant is 1960n/m.calculate spring constant
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✔️✔️ ANSWER ✔️✔️
All the energy
= 2.g.h
= 2×9.8×0.4
= 7.84 J
is transferred to the spring in its instant of max. compression.
Energy stored in a spring
= ½.k.x²
= 7.84 J.
Therefore
extension x = √[7.84×2/k]
= √[15.68/2000]
= 0.0885 m
= 8.85 cm.
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