A block of 10 glides on smooth horizontal surface with 20m/s towards a spring of spring constant 100N/m placed horizontally (as shown in figure). The maximum compression in spring is
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Solution
Mass of body ,m=10g=0.01kg
Spring constant ,k=100N/m
Initial velocity of block , v=20m/s
Let x be the maximum compression
At maximum compression the whole kinetic energy of block will be stored as elastic potential energy