What is the magnitude of the electric field at a point a distance ρ = 73 cm from an infinitely long line of a uniform positive charge per unit length ρL = 5 × 10-9 C/m. ke = (1/4πε0) = 9 x 109 N. m2/C2

ε0 = 8.85 x 10-12 C2/N. m2

Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false

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.

Calculate the bore of a cylinder that has a stroke of 18 inches and an extension time of 6 seconds at a flow rate of 4 gal/min.