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Consider a piston weighing 990 g which contains 10 g of air at 1 atmosphere and 25?C. Calculate the effects of performing 100 Joule of work on this air-containing piston for the following three situations. State any assumptions and show all units.
1) Find the maximum possible final elevation if all the work is used to raise the cylinder and its contents vertically.
2) Find the maximum possible final velocity if all the work is used to accelerate the cylinder and its contents.
3) Find the maximum possible pressure of air if the piston is compressed isothermally. Assume the ideal gas law is valid. The composition of air is approximately 80% N2 and 20% O2.
The Hoover Dam is 220 meters high and the pressure at the bottom of the dam is 2.2 million Pascals. What is the pressure at 55 meters from the surface in million Pascals
q1. two alpha particles helium nuclei each consisting of two protons and two neutrons have the3 electrical potential
Four 1.8 kg masses are located at the corners of a square 0.20 m on each side. Find out the magnitude and direction of the gravitational force on a fifth 1.8 kg mass placed at the midpoint of the bottom side of the square.
an object can be hung from a string with a linear mass density of 0.00200 kg/m that passes over a light pulley. What is the frequency of the vibrator
A machinist starts with three identical square plates but cuts one corner from one of them, two corners from the second, and three corners from the third. Rank the 3 plates according to the x coordinate of their center of mass, from smallest to large..
An electrical resistor has a voltage drop of 5.00 V when 0.300 A of current flows. At what rate (W) is heat dissipated
You are sitting in a stationary boat and your friend is sitting in another boat nearby. Ocean swells (long waves) are passing by. What is the period of the swell
A toboggan approaches a snowy hill moving at 14.8. Find the acceleration of the toboggan after it has reached its highest point and is sliding down the hill. Assume axis directed up the hill
A ball rolls off a platform that is 6.8 meters above the ground. The ball's horizontal velocity as it leaves the platform is 7.4 m/s.How much time does it take for the ball to hit the ground
A torque of 60 Nm producing a counterclockwise rotation is applied to the wheel about its axle. A frictional torque of 10 nm acts at the axle.If the wheel is observed to accelerate at the rate of 2rad/s2 under the influence of these torques, what i..
As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of 510m to be the other plate.
A thin film of glass (n = 1.52) of thickness 0.223 µm is viewed under white light at near normal incidence. What wavelength of visible light is most strongly reflected
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