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Assignment - THERMODYNAMICS
Q1. Air of mass 0.933Kg is contained in a closed vessel of fixed volume 0.14m3 exerts a pressure of 10bars at 250oC. Calculate the final temperature and heat transferred if the vessel is closed so that the pressure drops to 3.5bars. Take Cv = 0.178J/KgK
Q2. Calculate the final temperature and heat transferred when 0.2Kg of air initially at 165oC expands reversibly at a constant pressure of 7bars until the volume is doubled. Take Cp = 1.005x103KJ/KgJ.
Q3. 0.2Kg of CO2 is contained in a rigid vessel of volume of 0.1m3 and pressure 2bars. Calculate the temperature of the gas in oC. Calculate also the energy added by heat transfer from an outside source if the temperature rises to 200K. Take Cp as 1.0KJ/KgK.
At time t=0s, a wheel has an angular displacement of zero radians and an angular velocity of (+28) rad/s. Calculate the average angular velocity in the interval from t=0 to t=20
A concave makeup mirror is designed so that aperson 23 cm in front of it seesan upright image magnified by a factor of two. What is the radius of curvature of the mirror in meters?
A group of particles is traveling in a magnetic field of unknown magnitude and direction. compute the magnitude and the direction of the magnetic field
Compare camera to a eye by listing 4 of the basic components of the eye and the equivalent components of the camera. What parts are similar?
A ball player hits a home run, and the baseball clears a wall 8.00 m high located 140.1 m from home plate. The ball is hit at an angle of 35.2 to the horizontal, and air resistance is negligible. Suppose the ball is hit at a height of 1.3 m above the..
A point source of light is submerged 2.2 m below the surfaceof a lake and emits rays in all directions. What is the maximum radius that this circle could have
A meterstick moving at 0.888c relative to the Earth's surface approaches an observer at rest with respect to the Earth's surface. What is the meterstick's length as measured by the observer
A point charge +6.9C is placed at the origin, and a second charge –4.4C is placed in the x -y plane at (0.40m, 0.55m). Where a third charge must be placed in the plane so that the net force acting on it is zero?
You want to shoot a 19cm long arrow parallel to this axle and through the wheel without hitting any of spokes. Suppose that the arrow and the spokes are very thin.
A 1.0- kg mass is attached to a string wrapped around a shaft of negligible mass and having a 6.0- cm radius. How far apart are the masses of the dumbbell
Two point charges are on the y-axis. A 5.0 µC charge is located at y = 1.40 cm, and a -2.30 µC charge is located at y = -1.60 cm. Find the total electric potential at the origin
A slingshot fires a pebble from the top of a building at a speed of 14.0 m/s. The building is 28.0 m tall. Ignoring air resistance, find the speed with which the pebble strikes the ground
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