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A homemade capacitor is assembled by placing two 9-in. pie pans 7 centimeter apart and connecting them to the opposite terminals of a 6 Volt battery.
a) Compute the capacitance.
b) Compute the charge on each plate.
c) Compute the electric field halfway between the plates.
d) Compute the work done by the battery to charge the plates.
e) Find which of the above values change if a dielectric is inserted?
What is the size of the static friction force on the cabinet when the bed is tilted at 20o? At what angle will the file cabinet begin to slide if the coefficient of static friction of steel on steel is Ms= 0.80 and the coefficient of kinetic frict..
As a science fair project, you want to launch an 800 gram model rocket straight up and hit a horizontally moving target as it passes 25 meter above the launch point. Find at what horizontal distance between target and rocket should you launch
the nuclei of the hydrogen and chlorine atoms in an hcl molecule are 0.13 nanometer nm apart. how far from the nucleus
A metallic sphere 1 of radius 1.00 cm is far away from a metallic spherical shell 2 of radius 2.00 cm. What is the initial voltage on 1
A solenoid made of superconducting wire has exactly 40 turns per centimeter length and a diameter of 2.8 centimeter. If the wire carries a current of 4.4 Amp, find the magnetic field strength near the center of the solenoid
The International Space Station (ISS) travels with speed v=10 km/s during low earth orbit where there is a free charge density of 10^5 elch/scm^3. The ISS has a cross-section of 900 m^2. What is the current (in Amps) impinging on the ISS?
X-rays of wavelength 0.012 nm scatter from a free electron at scattering angle of 45^0. Find the energy and momentum of the recoiled electrons
A tennis player swings her 1000 g racket with a speed of 12.0m/s . She hits a 60 g tennis ball that was approaching her at a speed of 10.0m/s, What is the target's speed just after the bullet emerges
The charging circuit for the flash system of a camera uses a 130 muF capacitor that is charged from a 250V power supply. What is the most resistance that can be in series with the capacitor if the capacitor is to charge to at least 86% of its final..
A 12-kg block initially slides at 18 m/s on a flat rough surface and eventually stops. what is the entropy change of the system
Two 10-cm charged disks face each other, 20 cm apart. The left disk is charged to -30 nC and the right disk is charged to +30 nC. What is the electric field (both magnitude and direction) at the midpoint between the disks? What would be the force (ag..
Two boxes are connected by a cord running over a pulley as shown in Fig. 4-7. Box I of mass 8.0 kg rest on the top of the table; Calculate the acceleration of the system
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