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Three moles of an ideal gas increase the volume 100 times during the isothermal expansion. The heat added to the system during the process is 15 kJ.
a) What is the work W done by the gas and what is the change of the internal energy U of the gas during the process?
b) What is the temperature of the gas?
An electromagnetic wave in a vacuum has a magnetic field with a magnitude of 1.4 10-6 T. What is the intensity S of the wave
When the weight is displaced and released, the period of vibration is 1.80 s, and the ratio of consecutive amplitudes is 4.2 to 1.0.
A 1.8 micro F capacitor is discharged, starting at t=0s. The displacement current through the plates is Idisp = (13A)exp(-t/2.5micro s)
Why are membranes made up of two-tailed lipids instead of single-tailed ones? They're more difficult to make and one might expect evolution to select against them.
A 10.1-kg cannonball is fired from a 3,350 kg cannon with a velocity of 198 m/s. What is the speed of recoil of the cannon
A 1.60 kilogram snowball is fired from a cliff 11.9 meter high with an initial velocity of 13.3 m/s, directed 47.0 degree above the horizontal. Determine what is that speed if the mass is changed to 3.50 kilogram
A Ferris wheel rotating at 20 rad/s slows down with a constant angular acceleration of magnitude 5.0 rad/s2. Obtain how many revolutions does it make while slowing down before coming to rest
Assume a rocketship in deep space moves with constant acceleration equal to 9.8 m/s2, which gives the illusion of normal gravity during the flight. Estimate the time required by a rocketship to attain the speed of light and the distance travelled t..
An object is placed 40cm in front of a concave mirror whose radius of curvature is 30am. Determine the location of the image and the magnification
specific heat of lead = 0.03 cal /gm -0c , latent heat of fusion of lead = 6 cal /gm -0c and j = 4.2 /cals
A block of mass 2.50 kilogram is pushed 2.00 meter along a frictionless horizontal table by a constant 14.0 Newton force directed 25.0 degree below the horizontal. Calculate the work done by the force of gravity
You have a 10.9 m straight wire carrying a 9.89 A current. What is the magnitude of the force on the wire when it is in a 0.83 T magnetic field perpendicular to the wire
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