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Air (a diatomic ideal gas) at 26.5°C and atmospheric pressure is drawn into a bicycle pump (see figure below) that has a cylinder with an inner diameter of 2.50 cm and length 63.0 cm. The down stroke adiabatically compresses the air, which reaches a measure pressure of 8.00 105 Pa before entering the tire. We wish to investigate the temperature increase of the pump.
A wrecking ball used to knock down buildings has a mass of m = 1250 kg and is suspended from a cable of length L =23 m. what is the highest mass the ball can have
A 258-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.980, and the log has ..
The coefficient of static and kinetic frictions between a 3.0-kg box and a desk are 0.40 and 0.30, respectively. What is the net force on the box
What the max speed of the oscillator?
A coil of wire is connected to an ideal 12.0-V battery at t = 0. At t = 14.2 ms, the current in the coil is 210 mA. calculate the inductance of the coil
The leg and the cast in Fig 4.20 below weigh 220 N (w1). Determine the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus the cast.
A 120 gram ball on a 75 centimeter long string is swung in a vertical circle above a point 220 above the floor. Evaluate the tension in the string an instant before it broke
An airplane is flying with a velocity of 90 at an angle of 22 above the horizontal. When the plane is a distance 122 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
A 1.0-cm-diameter pipe widens to 2.0 cm, then narrows to 0.5 cm. What is the speed through the second segment
many masons base the cost for a job on the number of blocks the number of blocks they need to lay. doyel masonry
A guy is spinning initially at a constant rate with his arms at his sides. He then puts his arms straight out. How much does his moment of inertia change when he sticks his arms out
A horizontal laser beam of wavelength 632.8 nm has a circular cross section 2.00 mm in diameter. Find the required width of the aperture
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