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Q. The electric field lines on the left have twice the separation of those on the right. If the magnitude of the field at point-A is 60 V/m, what is the magnitude of the field at point-B?

Q. A 2 kg object is given a displacement s = 4 m + 5 m - 2 m along a straight line. During the displacement, a constant force = 5 N - 4 N + 2 N acts on the object.

(a) Find the work done by for this displacement.

(b) Find the component of in the direction of the displacement.

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