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Q. Two 10-cm-diameter charged disks face each other, 20 cm apart. Both disks are charged to -50nC.

What is the electric ?eld strength at

(a) The midpoint between the two disks?
(b) The centre of the left disk

Q. A block of mass 6.2 kg is pulled along a horizontal frictionless floor by a cord that exerts a force of 42.0 N at an angle 22.4° above the horizontal. What is the magnitude of the acceleration of the block?

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Category:- Physics
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