A long, straight, horizontal wire carries a left-to-right current of 20 A. If the wire is placed in a uniform magnetic field of magnitude 4.0\times 10^{-5}~\text{T}4.0×10 −5 T that is directed vertically downward, what is the resultant magnitude of the magnetic field 20 cm above the wire?
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Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more
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Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?
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What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?
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In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.
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A long, straight, horizontal wire carries a left-to-right current of 20 A. If the wire is placed in...
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