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13. A block of iron is totally immersed in water, with the long edge of the block vertical. The pressure on the brick is A) greatest on the face with largest area. B) greatest on the bottom of the block. C) the same on all surfaces of the block. D) greatest on the sides of the block. E) greatest on the top of the block. 14. The waves produced by the FM radio station 100.3 travel with speed of A. 3x10' m/s B. 3x10-8 m/s C. 3x10' m/s D. 3x107 m/s E. none of the above 15. As shown in the figure, a given force is applied to a rod in several different ways. In which case is the maximum torque produced about the axis P? 2 . IF 3 . 5. A ) 5 B) 4 C ) 3 D )2 E ) 1 16. A car goes around a curve travelling with increasing speed. The centripetal acceleration the car zero is A. constant, pointing to the center B. increasing, pointing to the center C. decreasing, pointing to the center D. there is no centripetal acceleration, just tangential acceleration E. None of the above