Question

As shown in figure a spring fixed at the bottom end of an incline plane of inclination 37 degree. A block of mass 4 kg starts slipping down the incline from a point 4.6 m away from the spring. The block compresses the spring by 40 cm, stops momentarily and rebounds through a distance of 3m up the incline. If the spring constant of spring is 1000x/8 N/m, then value of x is?

Answer 1

where is figure??___________%%%%%%%%_______

Answer 2

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