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In the figure below, a battery of potential difference V = 38 V is connected to a resistive strip of resistance R = 8.0 Ω. When an electron moves through the strip from one end to the other, (a) in which direction in the figure does the electron move (1 = upward, 2 = downward), (b) how much work (in eV) is done on the electron by the electric field in the strip, and (c) how much energy (in eV) is transferred to the thermal energy of the strip by the electron?
Two opposite point charges of magnitude 2.500e-6 C are located near the origin. What is the magnitude of the dipole moment vector for this pair of charges
A computer hard drive typically operates with a rotation speed of 7200 rpm (revolutions per minute).What is the angular acceleration of the drive
You have an organ pipe that resonates at frequencies of 800, 1120, and 1440 Hz but nothing between these. What is the fundamental frequency for this pipe
A parallel-plate capacitor has square plates of edge length 2.4 cm and a plate spacing of 0.017 mm. If the gap between the plates is a vacuum
a 66.0-g block carrying a charge q 40.0 microc is connected to a spring for which k 71.0 nm. the block lies on a
the dipole moment of the water molecule is 6.1 10-30 c m. in an electric field a molecule with a dipole moment will
Two beams of 1keV neutrons intersect at an angle of 30o. One beam has a neutron density of 1×106 neutrons/cm3. The other beam has a neutron density of 3×106 neutrons/cm3
A 6.0 μF air capacitor is connected across a 100 V battery. After the battery fully charges the capacitor, it is immersed in transformer oil (K = 4.5). How much additional charge flows from the battery, which remained connected during the process?
The lens has a refractive index of 1.30. Find out the difference Δx in the positions where each crosses the principal axis.
The length of a moving spaceship is 25.6 m according to an astronaut on the spaceship. what is the speed of the spaceship
A coin is located 20.0 cm to the leftof a converging lens (f = 16.0 cm). A second, identicallens is placed to the right of the first lens, Find the separation between the lenses
A car with mass 2000.0kg is moving from rest with acceleration 0.50m/s^2. What is its speed after 4.0s of motion? What is its kinetic energy at that instant of time
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