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Q.

A car of mass 500 Kg turns on a banked frictionless road of radius 103 m. If banking angle is 30°, find speed of the car(g=10m/s2)

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a

30 m/s 

b

20 m/s 

c

5 m/s 

d

10 m/s

answer is B.

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Detailed Solution

tan⁡θ=v2rg⇒tan30∘=v2103×10
v=10m/s
 

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