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Two identical conducting spheres, fixed in place, attract each other with a force of 0.084 N when their center to centerseparation is 40.00 cm. The spheres are then connected by a thin conducting wire. When the wire is removed, the spheres have a netpositive charge and repel each other with an electrostatic force of 0.032 N. What was the initial negative charge on one of thespheres, and what was the initial positive charge on theother?(Hint: Use charge conservation and solve for one of theinitial charges. You will end up with a quadratic equation. Thesolutions give you the positive and negative charges.)Initial negative chargeInitial positive charge
A figure skater can increase her spin rotation rate from an initial rate of 1.0 rev every 2.8 s to a final rate of 3.3 rev/s. what is her final moment of inertia
A 2.40 MHz sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward the sound receiver as the heart beats.
Calculate the commutation relation for the inner product of position and momentum and angular momentum. In other words, what is: [p\cdotr, L] (vector p dotted with vector r, vector L)
A 4.25 bullet traveling horizontally with a velocity of magnitude 375 is fired into a wooden block with mass 1.10 , initially at rest on a level frictionless surface. The bullet passes by the block and emerges with its speed reduced to 110 .
A bomb is dropped from an airplane in level flight at a speed of 970 km/h. The altitude of the aircraft is 2000 m. At what horizontal distance from the initial position of the aircraft will the bomb land.
A bicycle is turned upside down while its owner repairs a flat tire on the rear wheel. determine the magnitude of the average angular acceleration of the wheel
Charges of 3.0 nC, -2.0 nC, -7.0 nC, and 1.0 nC are contained inside a rectangular box with length 1.0 m, width 2.0 m, find the electric flux through the surface of the box
A 76 W light bulb with a resistance of 178 ? is connected to a power supply with a 117 V, What is the internal resistance of the power supply
A 11-V battery is connected to three capacitors in series. The capacitors have the following capacitances: 3.6 µF, 11.1 µF, and 32.5 µF. Find the voltage across the 32.5-µF capacitor
A transformer has an input coil with Nin = 200 turns and Nout = 800 turns. what is the voltage across the output circuit
A certain light source is found to emit radiation whose peak value has a frequency of 8.28 Ã- 1014 Hz. Find the temperature of the source
Use the Fourier series method to evaluate the deviation of the bone subjected to the load, w, which is linearly dependent on its position
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