Q. 1 Two pitot tubes are installed in the pipe of 300 mm diameter carrying water, one on the centreline and the other 75 mm from the centreline (as shown in Fig. 1). If the velocities at the two points are 3 m/s and 2 m/s respectively calculate the reading on the differential mercury manometer connected to the two tubes. 3 m/s 2 m/s Fig. 1

You pull on a string with a horizontal force of magnitude F = 59 N that is attached to a block of mass m = 6.3 kg, then to the axle of a solid cylinder of mass mc = 5.9 kg and radius r = 0.4 m, then to a spring of spring constant k = 145 N/m. This is all done on an inclined plane where there is friction (μ = 0.63 and μ = 0.36), and the incline angle is 0 = 28 degrees. Everything starts at rest, and the spring is unstretched. The block slides down the plane, the cylinder rolls down the plane (without slipping), and the spring stretches. k bllllllll b 0 Fyb