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A block of mass ‘m’ (as shown in figure) moving with kinetic energy E compresses a spring through a distance 25 cm when, its speed is halved. The value of spring constant of used spring will be nE Nm-1 for n = _________.

0 3 Views | Posted 2 months ago
Asked by Shiksha User

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    Answered by

    Vishal Baghel | Contributor-Level 10

    2 months ago

    loss in k = Gain in U spring

    ⇒ 3 E 4 = 1 2 k ( 2 5 1 0 0 ) 2

    ⇒ 3 E 4 = k 3 2 ⇒ k = 3 F 4 × 3 2 = 2 4 E                

                   

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