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Q. A highway curve has a radius of 120 m. At what angle should the road be banked so that a car traveling at 26.8 m/s has no tendency to skid sideways on the road?

Q. Two charged concentric spherical shells have radii 8.14 and 16.5 cm. The charge on the inner shell is 4.59 x 10- 8 C and that on the outer shell is 2.15 x 10- 8 C. Find the electric field (in N/C) (a) at r = 12.7 cm and (b) at r = 37.3 cm.

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Category:- Physics
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