An electron that has velocity v = (2.0 x 106 m/s)i +(3.0
x 106 m/s) j moves through the uniform magneticfield b =
(0.30 t)i - (0.15 t)j.
a) find the force on the electron.
b) repeat your calculation for a proton having the
samevelocity.

Oxygen gas enters well-insulated diffuser at 25 lbf/in.2, 420r, with a velocity of 860 ft/s through a flow area of 1.6 in.^2. at the exit, the flow area is 12 times the inlet area, and the velocity is 19 ft/s. the potential energy change from inlet to exit is negligible. assuming ideal gas behavior for the oxygen and steady-state operation of the diffuser, determine the following: (a) the exit temperature, in r(b) the exit pressure, in lbf/in.^2 (c) the mass flow rate, in lb/s