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A sphere 28 cm in diameter contains an ideal gas at 1.4 at m and 9?C. As the sphere is heated to 150 ? C, gas is allowed to escape. The valve is closed and the sphere is placed in an ice-water bath.
1. What is the pressure in the sphere when it is in the ice water? Answer in units of Pa.
2. How many moles of gas escape from the sphere as it warms? Answer in units of mol.
Regarding the Earth and a cloud layer 700 m above the Earth as the "plates" of a capacitor, calculate the capacitance of the Earth-cloud layer system. What is the maximum charge the cloud can hold
A uniform disk of radius 0.459 m and unknown mass is constrained to rotate about a perpendicular axis through its center. Find the mass of the disk
A steel column that has a diameter of 10 cm supports a mass of 1000 kg resting on it. What is the stress produced on the steel column
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A thin double convex lens is to focus the image of an object onto a screen so that the image is life-sized. What is the total distance L between object and image
Suppose a heat engine has an efficiency of 0.248 and produces 1.88×10^4 J of work. How much energy is pulled in from the hot reservoir
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Consider three capacitors having capacitances of 5.51, Find their equivalent capacitance if they are connected for both: in parallel and in series
a 200kg ball is shot from a 2200kg cannon horizontally and positivly at 200m/s. what is the cannons speed, in respect of Earth
A person throws a rock straight up into the air. At the moment itleaves the person's hand it is going 33mph. When the rock reaches its peak, how fast is it going and what is the magnitude and direction of its acceleration?
You measure an electric field of 1.37×106N/C at a distance of 0.159m from a point charge. What is the electric flux through the surface of a sphere
A 16 kg rock, m, is on the edge of a 90 m cliff, h, as shown in Figure 11-20. Assume that air resistance is negligible. What speed does the rock have as it strikes the ground
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