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The pressure of air in your house can stay constant during the day if the temperature rises. Let the temperature be 295 K during the day and 288 at night, and volume of the house be 900 m^3.
Determine the number of moles of air that leave the house during the day time.
The pulmonary artery, which connects the heart to the lungs, is 8.5 cm long and has a pressure difference over this length of 450 Pa. If the radius of the artery is reduced by 14% , by what factor is the blood flow rate reduced
Energy is to be stored in a flywheel in the shape of a uniform solid disk with a radius of R = 1.30m and a mass of 73.0kg. find the maximum kinetic energy that can be stored in the flywheel
A ball is thrown straight up from the edge of the roof of the building. A second ball is dropped from the roof a time of 1.01 s later. You may ignore air resistance.
A long, current-carrying solenoid with an air core has 1740 turns per meter of length and a radius of 0.0210 m. What is the mutual inductance of this system
The motor of a four wheeler traveling along a muddy trail generates an average power of 7.20 104 W when moving at a constant speed of 11 m/s. What is the tension in the tow rope pulling the log
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you find in part (a). Illustrate what should be the maximum speed of the car so it can round the curve safely?
Suppose a single electron orbits about a nucleus containing two protons (+2e), find the magnitude of the electron's centripetal acceleration
q1. the density of gold is 1.93times104 rmkgmrm3. 203 rm g of gold is shaped into a cube. what is the length of each
he plane is traveling horizontally at 150.0 m/s at a height of 70.0 m above the ground. Illustrate what horizontal distance does the package travel before striking the ground?
A parallel-plate capacitor has a capacitance of c1 = 3.5 uF when filled with air and c2 = 23 uF when filled with a dielectric oil at potential difference of 12 V. What is the permittivity of this oil
Calculate the power required by an object to lift another object
q1. a 484g oscillator has a speed of 121 cms when its displacement is 2.10 cm and 56.0 cms when its displacement is
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