A long straight wire lying along the x-axis carries a
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starting from rest a basketball rolls from the top to the bottom of a hill reaching a translational speed of 75 ms
a helicopter has two blades each of which has a mass of 270 kg and can be approximated as a thin rod of length 67 m the
two wheels have the same mass and radius of 48 kg and 054 m respectively one has a the shape of a hoop and the other b
an undersea research chamber is spherical with an external diameter of 350 the mass of the chamber when occupied is
a long straight wire lying along the x-axis carries a current i flowing in the positive x-direction a second long
two long parallel wires separated by a distance d carry currents in opposite directions if the left-hand wire carries a
the maximum possible efficiency of a heat engine which exhaust its heat at a temperature of 420o is 440 percent what is
250 moles of an ideal gas at an initial pressure of 300 x105 nm2 and an initial volume of 1400 m3 undergo a small
a heat engine operates between two reservoirs at temperatures of 195oc and 313oc what is the maximum efficiency
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