Aspring has an equilibrium length of 2.0 meters and a spring constant of 10 newtons/meter. alice is pulling on
one end of the spring with a force of 3.0 newtons. bob is pulling on the opposite end of the spring with a force of

3.0 newtons, in the opposite direction. what is the resulting length of the spring?
(a) 1.7 m
(b) 2.0 m
(c) 2.3 m (correct answer)
(d) 2.6 m
(e) 8.0 m

Steam enters an adiabatic diffuser at 150 kpa and 1208c with a velocity of 550 m/s. determine the minimum velocity that the steam can have at the outlet when the outlet pressure is 300 kpa.

How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing

Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius 푅=0.381meters and mass 푀=3.1푘푔. initially 푚"is on the ground and 푚#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of 푚#just before it strikes the ground. assume the pulley bearing is frictionless.