Suppose the net number of electrons that leave the negative side of a voltage source is 2.35x1020 electrons and the circuit has been in operation for 1.75 hours. If the voltage source is 12V, then what is the value of the resistor? R =
2007Ω

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.

Determine whether or not it is possible to compress air adiabatically from k to 140 kpa and 400 k. what is the entropy change during this process?

In general, how do thermosetting plastics compare to thermoplastics in mechanical and physical properties?