### Find out the force on the object

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##### Reference no: EM135077

Q1. A 0.48 kg object is attached to a spring with a spring constant 178 N/m so that the object is authorized to move on a horizontal frictionless surface. The object is released from rest when the spring is compressed 0.15 m. Find out the force on the object.

Respond in units of N

Q2. A slab of insulating material has a non-uniform positive charge density = Cx2, where x is measured from the center of the slab and C is a constant. The slab is infinite in the y and z directions. Obtain expressions for the electric field in (a) the exterior regions (|x|? > d/2) and (b) the interior region of the slab (|x| < d/2)

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