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A reversible Carnot heat engine has 1.5lbm of air as the working fluid. Heat is received at 940 °F and rejected at 100.0 °F. At the beginning of the heat addition process, the pressure is 100 psia, and during this process the volume doubles. Calculate the net cycle work per lbm of air. Assume the air behaves as a constant specific heat ideal gas.
A car is traveling down around a banked curve in the road. The curve has a radius of 300 m and is banked at an angle of10.0o. (a) At what speed is no friction required?
The train comes to a stop 6.0 m from the point at which it was released. What is the magnitude of train's acceleration after its wheel begins to stick.
Ball bearings are made by letting spherical drops of molten metal fall inside a talll tower-called a shot tower- and solidify as they fall. What is the bearing's impact velocity
A 2.28uF capacitor is charged to 1230V and a 7.87uF capacitor is charged to 530V. These capacitors are then disconnected from their batteries, What will be the potential difference across each
You throw a ball straight down from an apartment balcony to the ground below. The ball has an initial velocity of 4.95 m/s, Find the height of the balcony
A thin uniform rod has a length of 0.520m and is rotating in a circle on a frictionless table. The axis of rotation is perpendicular to the length of the rod at one end and is stationary. What is the mass of the bug
A simple pendulum is made from a string that is 0.65m in length with a mass of 0.2kg attached to the free end. The mass is pulled to one side during a small angle and released from rest.
A lorry, of mass 38000 kg, starts up a hill of gradient 1 in 12. The constant acceleration is 0.06 m/s2 and resistance to motion is 1200 N (not gravitational force). What is the tractive force in Newtons exerted by the lorry's driving wheels?
The evolution of the universe after the big bang is divided into a radiation dominated universe and a matter dominated universe. Which type of universe do we live in and what does it mean to say radiation or matter dominated the universe?
an 1820 kg car passes over a bump in a road that follows the arc of a circle of radius 41.9 m.a what force does the
Two identical rods each of length L and charge Q are perpendicular to each other and separated by a distance D, where the distance D is from the middle of one rod to the nearest tip of the other.
A solid disk rotates in the horizontal plane at an angular velocity of 0.049 rad/s with respect to an axis perpendicular to the disk at its center. The moment of inertia of the disk is 0.20 kg.m2. From above, sand is dropped straight down onto thi..
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