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Q. An expandable cylinder has its top connected to a spring with force constant 2 x10^3 N/m. The cylinder is filled with 6 L of gas with the spring relaxed at a pressure of 1.0 atm and a temperature of 20°C.
(1) If the lid has a cross-sectional area of 0.010m2 and negligible mass, how high will the lid rise when the temperature is raised to Tf = 270°C?
(2) What is the pressure of the gas at Tf = 270°C?
A 128 carton is pulled up a frictionless baggage ramp inclined at 30.0 above the horizontal by a rope exerting a 72.60 pull parallel to the ramp's surface. If the carton travels 5.20 along the surface of the ramp, compute the work done on it by the r..
Sketch the shear force and bending moment diagram and Verify that the support reactions are correct.
A car is travelling at a constant speed of 32m/s on a highway. At the instant this car passes an entrance ramp, a second car enters the highway from ramp.
An artillery shell is fired with an initial velocity of 300 m/s at 47.5° above the horizontal. To clear an avalanche, it explodes on a mountainside 47 s after firing. What is the x and y components of the shell where it explodes, relative to its f..
A solid cylinder of mass 3 kg and radius 0.2 m starts from rest at the top of a ramp, inclined 15°, and rolls to the bottom without slipping. (For a cylinder I = 0.5MR2) The upper end of the ramp is 1.2 m higher than lower end. Find the linear sp..
Kelli weighs 417 N, and she is sitting on a playground swing that hangs 0.44 m above the ground. Her mom pulls the swing back and releases it when the seat is 1.00 m above the ground. Imagine that air resistance is negligible.
One hundred k mol of a gas containing 94.4 mole% methane, 3.40% ethane, 0.60% propane, and 0.50 percent butane is to be burned with 17% excess air. Calculate the required molar flow rate of the air.
Three charges, +q, +2q, and +4q, are linked by strings (Assume that the middle charge is fixed in space and the other 2 charges are held there by the tension alone.)
The potential difference between the plates of a capacitor is 242V. Midway between the plates; a proton and an electron are free. The electron is released from rest.
On another planet the simple pendulum consisting of a 0.154 kg mass suspended on a 1.20 m long string has a period of 3.860 seconds. What is acceleration on this planet.
On a day of 30 degrees celcius, full sun, how hot would a granite paver get? Will a dark grey one get much hotter than an off white coloured one.
suppose that the gold ions carry one elementary unit of positive charge.
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