3/178 The rigid assembly which consists of light rods and two 1.2‐kg spheres rotates freely about a vertical axis. The assembly is initially at rest and then a constant couple M = 2 N · m is applied for 5 s. Determine the final angular velocity of the assembly. Treat the small spheres as particles]

In a system, when potential energy decreases, then entropy also decreases. true false

What is the relationship between globular clusters and the milky way?

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