2. 16. A car is moving in a circular horizontal track of radius 3 m with a constant speed cf Vi0 ms. A plumb bob is suspended from the roof of the car by a light rigid rod of lengh Im. The angle made by the rod with the truck is (g 10 ms ?) a) Zero b) 30 c) 450 17. The maximum speed of a train on a curved path of radius 100m, banked at an angle of 11.31 ( tan 11.31 0.2) is d) 60 [ 1 b) 1/14ms a)14 ms c) 14kmph d) None