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Q.

The slope of the smooth banked horizontal road is p. If the radius of curve be r, then the maximum velocity with which a car can negotiate the curve is given by

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a

p r g

b

(prg)

c

p / rg

d

(p/rg)

answer is B.

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Detailed Solution

If θ be the angle of banking, then slope =tan⁡θ=p…(1)For smooth negotiation of the curvetan⁡θ=v2/rg          ….. (2)∴ p=V2rg  or  v=(prg)
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