Asignal consists of the periodic alternating sequences., 2,2, 1, 2, 2, 1,2,2, 1, what is the average power of the signal? (5 point) b) a signal x[n] is periodic with period n-4. some selected values of x[n] are x[1] = 5, x[2] x[4] =-1 , x[10] = 8, x[5-5, and x[7] = 3. what is the average signal power?

Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.

Afull journal bearing has a journal diameter of 27 mm, with a unilateral tolerance of -0.028 mm. the bushing bore has a diameter of 27.028 mm and a unilateral tolerance of 0.04 mm. the l/d ratio is 0.5. the load is 1.3 kn and the journal runs at 1200 rev/min. if the average viscosity is 50 mpa-s, find the minimum film thickness, the power loss, and the side flow for the minimum clearance assembly.

Burgers vector is generally parallel to the dislocation line. a)-true b)-false