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A piston-cylinder contains 50 L of saturated liquid R-134a. The piston is frictionless, and has a mass and area resulting in an applied pressure of 600 kPa on the refrigerant. The refrigerant is now heated until its temperature rises to 70 °C. Compute the work (in kJ) done during this process.
you are to launch a rocket from just above the ground with one of the following initial velocity vectors 1 v initial
A thin spherical shell of mass 0.450 kilogram and diameter 0.230 meter is filled with alcohol (ρ = 806 kg/m3). Obtain the acceleration of the alcohol-filled shell
An experiment was performed where a quartz-iodine lamp was used to measure the photocurrent in microamperes in intervals of 10 nm from 400 nm to 900 nm for the voltage settings of 60, 80, 100, and 120V.
At the low point in it swing, a pendulum bob with a mass of 0.46 kg has a velocity of 2.2 m/s. What is its kinetic energy at the low point
A certain kind of glass has an index of refraction of 1.640 for blue light of wavelength 440 nm and an index of 1.595 for red light of wavelength 670 nm. If a beam containing these two colors is incident at an angle of 30.0° on a piece of this glass,..
Three identical masses of 340 kg each are placed on the x axis. One mass is at X1 = -120cm, What is the direction of the net gravitational force on the mass at the origin due to the other two masses
A bomb explodes into three identical pieces. One flies in the + y-direction at 12.5 m/s , a second in the - x-direction at 15.4 m/s. What's the direction of the velocity of the third piece
two large parallel metal plates carry opposite charges. they are separated by 0.1 m and the potential difference
You dip your finger into a pan of water three times each second, producing waves with crests that are separated by 0.16 m. Determine the frequency of these water waves
A monochromatic beam of light is absorbed by a collection of ground-state hydrogen atoms in such a way that three different wavelengths are observed, What is the wavelength of the incident beam
The isotope ^(99)Tc* is commonly used in several different types of medical imaging procedures. find the change in the nuclear mass after emission of the gamma ray
A television broadcast antenna is located at the top of a steep tall mountain. The television station broadcasts by a power of 4.00 kilowatts at a frequency of 180.0 MHz. (rms= “Root Mean Square"= square root of the average value of a function square..
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