A car take turn in a circle of radius 50 m. If velocity of car is 25 m/s, then the angle made by massless rod of pendulum suspended from the ceiling of car with vertical is (mass of perpendicular bob is 50 g) 1. tan-1 (5/4) 2. tan-1 (4/5) 3. tan-1(4) 4. tan-1(1/4)

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