A rotating object starts from rest at t 0 s and has
A rotating object starts from rest at t = 0 s and has aconstant angular acceleration. At a time of t = 7.0 s the object has an angular velocity ofω = 13 rad/s. What isits angular velocity at a time of t = 14 s?
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the wire in the drawing carries a current of 10 a suppose thata second long straight wire is placed right next to this
lens l1 has a focal length of 15o cm and is located afixed distance in front of the film plane of a camera lens l2 has
1 in converting electrical energy into light energy asixty-watt incandescent light bulb operates at about 22 efficiency
a transformer has an input coilwith nin 250 turnsand nout 900 turns if the voltage across the inputcoil has an
a rotating object starts from rest at t 0 s and has aconstant angular acceleration at a time of t 70 s the object has
the figure shows a lower leg being exercised it has a 49-nweight attached to the foot and is extended at an angle with
a coil of wire that is 30cm in diameter has 1500 turns is in a magnetic field that goes from0 t to 05 t in 5 ms the
an electric oscillator ismade with a 015 micro f capacitor and a 20 mh inductor the capacitor is initially charged up
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