Find the power (in kw) needed to drive a centrifugal pump that discharges 0.1 m2/s of water with a tangential absolute velocity of 6.2 m/s, if the flow at the inlet is radial, and the rotor speeds at the rotor inlet and outlet are us 8 m/s and uz 17 m/s a. 4.96 *b. 10.54 c. 5.67 d. 12.47

What happens to the light rays when they hit the specimen?

Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell