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What About "extra Zeros?"

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A top spins at 40.0 rev/s about an axis that makes an angle 20.0o with the vertical. The mass of the top is 0.5 kg, its rotational inertia about its central axis 7.0×10-4 kg*m2, and its center of mass is 6.0 cm from...

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When two capacitors are connected in parallel across a 13.0 V rms, 1.01 kHz oscillator, the oscillator supplies a total rms current of 545 mA . When the same two capacitors are connected to the oscillator in series, ...

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A solid marble of mass m = 50 kg and radius r = 5 cm will roll without slipping along the loop-the-loop track shown in the figure if it is released from rest somewhere on the straight section of track. From what mini...

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Fish are hung on a spring scale to determine their mass (most fishermen feel no obligation to report the mass truthfully). (a) What is the force constant (in M/m) of the spring in such a scale if it stretches 8.20 cm...

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A couple of astronauts agree to rendezvous in space after hours. Their plan is to let gravity bring them together. She has a mass of 60.0 kg and he a mass of 76.0 kg , and they start from rest 25.0 m apart. Part A Fi...

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5.0 An electron is initially at rest. It is then accelerated through a potential difference of 7.5 x 103 V. (a) Calculate the speed reached by the electron. b) Why is it not possible for the electron to have this spe...

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#2 A trap door has a uniform density and a mass of 50 kg. The door is hinged along one side and is par tially open, making an angle of 300 with the hori- zontal. A rope that is attached to the side opposite the hinge...

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