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a system performs 351 j of work on its surroundings while losing 133 j of internal energy decide the heat transferred
in a right angle triangle abc angle abc 90o ab 2 meter and angle acb is 4181o a point charge of 5 x 40 nc is placed
two spheres are cut from a certain uniform rock one has radius 445 cm the mass of the other is six times greater
two charges one is 21 nc and other is -2 x 21 nc are separated by 1 meter distance find the electric field at the
a cubical box with each side of length 024 m contains 1050 moles of neon gas at room temperature 293 k what is the
consider a 3 kilogram copper cube and a 3 kilogram copper ball submerged in a liquid find the buoyant forces acting on
through a cycle a heat engine receives 278times104 j of heat from the hot reservoir and gives up 183times104 j of heat
a 1080 kilogram van pulls a 360 kilogram trailer the van exerts a horizontal force of 3800 newton against the ground in
a beam of initially unpolarized light passes through a sequence of three ideal polarizers the angle between the axis of
a hydrogen atom has a diameter of approximately 10610-10 m as defined with the diameter of the spherical electron cloud
at table tennis ball has a positive charge of 450 times 10-8 coulombs it experiences a force of 272 times 10-3 n due to
a softball player hits the ball and starts running toward first base utilize the particle model to draw a motion
a 100 gram piece of gold that is heated to 160 c and placed in 200 g of 20 c water determine what is the equilibrium
a light beam fully illuminates a 4-slit diffraction slide creating a central maximum of intensity 20 mwsq cm the slits
the horsepower rating commonly utilized for engines indicates the rate at which they can do work a one-horsepower
a one-dimensional harmonic oscillator is perturbed by an extra potential energy bx determine the change in each energy
assume two bodies are orbiting about their common center of mass and the distance among the bodies is a fixed distance
a battery with e 120 volt and internal resistance r 19 ohm is connected to two 95-komega resistors in series an
through a particular process the pressure of the gas in a heat engine increases from 162times105 pa to 264times105 pa
find what is the magnitude of the least possible current that could theoretically
you experiment with the double-slit procedure using water waves and a barrier with two openings the wavelength of the
here is the familiar pair of carts connected by a spring determine what are the relative speeds of the carts when the
an amusement park ride consists of a large vertical cylinder that spins about its axis fast enough that a person inside
a gas is enclosed in a container whose walls are made of a material that is flexible and which acts as a perfect
bob is driving from miami to philadelphia to go see the 820pm eaglesgiants game with his cousin scott at the speed he