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A gas is compressed inside a cylinder. An average force of 100N acts to move the piston 0.2m. Through the compression, 5J of heat are conducted away from the gas. What is the change in internal energy of the gas?
A young girl with mass 35.5kg is sliding on a horizontal, frictionless surface with an initial momentum that is due east and that has magnitude 86.0kg?m/s, How much work has been done on the girl by the force in the time interval from t= 0s to the ..
the electric potential v in the space between two flat parallel plates is given by v 1200x2 where v is in volts if x
If a steel ball with half the mass of the steel ball you used in class was used, what would its initial horizontal velocity be
A beam of electrons is incident on a crystal with in-plane atomic spacing D = 2.2 Å and out-of-plane spacing C = 1.55 Å, where C and D have the same meaning as on the handouts and class notes.
a severe thunderstorm dumped 2.5 in of rain in 30 min on a town of area 34 km2. what mass of water in kg fell on the
A slit of width 0.24mm is illuminated with monochromatic light of wavelength 550nm , and a diffraction pattern is formed on a screen 1.4m from the slit. What is the width of the central maximum
A space station, in the form of a wheel 100m in diameter, rotates to supply an "artificial gravity" of 3.7m/s2 for persons who walk around on inner wall of the outer rim. Find out the rate of rotation of the wheel (in revolutions per minute) that ..
An astronaut on the planet Vimrom IV finds that she can junp a maximum horizontal distance of 13.0 m if her initial speed is 4.90 m/s. what is the maximum height about the ground reached by the astronaut
the wire in the drawing carries a current of 9.3 a. suppose that a second long straight wire is placed right next to
Your task in physics lab is to make a microscope from two lenses.One lens has a focal length of 12 {\rm cm}, the other a focal lengthof 2.5 {\rm cm}. You plan to use the morepowerful lens as the objective, and you want its image tobe 16 {\rm cm} f..
The density of a 5.0-m long rod can be described by the linear density function ?(x) = 125 g/m + 13.3x g/m2. One end of the rod is positioned at x = 0 and the other at x = 5 m
The coefficient of static friction between the m = 3.40 kg crate and the 35.0° incline is 0.300. What minimum force must be applied to the crate
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