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Blocks A and B are connected by a pulley system. The coefficient of kinetic friction between the block A and the incline is uk= 0.25, and static friction is insufficient to prevent slipping. The mass of A is mA= 7kg, the mass of B is mB= 20kg, and the angle between the incline and the horizontal is theta= 30 degrees. Determine the acceleration of A, the acceleration of B, and the tension in the rope after the system is released.
a 9 m3 tank has two sections separated by a membrane both of which contain nitrogen gas. the nitrogen in section a has
both a gage and a manometer are attached to a gas tank to measure its pressure. if the reading on the pressure gage is
a speedboat travels at a constant speed of 15 ms while making a turn on a circular curve from a to b. if it takes 45s
a 250 g 23.0-cm-diameter plastic disk is spun on an axle through its center by an electric motor. what torque must the
carbon monoxide an ideal gas in a piston cylinder at an initial state of 320 k 160 kpa and 0.2 m3 is compressed in an
a force of 3 n stretches a spring by 1 m. a mass of 4 kg is attached to the spring. at t0 thenbspmass is pulled down a
a closed rigid tank whose volume is 1.5 m3 contains refrigerant 134a initially a two phase lipuid-vapor mixture at 10c.
Bypass air exits at 600 m/s while combustion air exits at 1000 m/s. What is the thrust in kN of this engine?
State what the joints are in the system and knowledge of computational kinematics explain what you believe is the procedure to calculate each variable.
is there any difference between the stresses measured at the top of the beam and at the same location on the bottom of the beam?
a gas contained in a piston cylinder assembly undergoes a process from state 1 to state 2 defined by the following
Cooling/Dehumidification of an air stream, A 1000 m3/minute air stream at atmospheric pressure is at a temperature of 82.2oC and a humidity of 60%. We want to cool the air + water vapor to 8.9oC to condense the water vapor.
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