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A square loop (edge = 9.4 cm) is comprised of 41 turns of copper wire. The square loop is placed in the plane of the page and is perpendicular to a uniform magnetic field that changes in time. Initially, at time t = 0 s, the magnetic field is 2.83 T, directed into the page. The magnetic field changes linearly until time t =4.28 s, when the magnetic field is 1.07 T, directed out of the page. What is the magnitude of the induced emf in the square loop?
How many electrons should be transferred from the plate. When you enter your answer, leave off the unit rm dB.
As shown in the figure, sunlight is coming straight down (negative z-direction) on a solar panel (of length L = 1.51 m and width W = 0.930 m) on the Mars rover Spirit.
A weather balloon rises by the atmosphere, its volume expanding from 4.4m^3 to 10m^3 as temperature drops from 17 Degrees C to -13Degrees C.
An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is = 2.6 x 10-7 C/m2, the plates are separated by a distance of 1.4 x 10-2 m. How fast is the electron moving just before..
The mean (average) of their squares
At which wavelengths (or energies) will you observe lines in infrared absorption (a phonon absorbs a photon) and raman scattering spectra? The temperature is 300 k. raman scattering is excited with a cw Argon laser at 514.5 nm.
A standardized biological microscope has an 8.0--focal-length objective. What focal-length eyepiece should be used to achieve a total magnification of.
One way to measure on another planet or moon by remote sensing is to measure how long it takes an object to fall a given distance. A lander vehicle on a distant planet records the fact that it takes 3.17 for a ball to fall freely 11.26.
What is the minimal mass of helium (density 0.18) needed to lift a balloon carrying two people in a basket, if the total mass of people, basket, and balloon (but not gas) is 320.
he 5.0- block is pulled to the right with a force as shown in the figure . The coefficient of static friction between all surfaces is 0.55 and the kinetic coefficient is 0.3, illustrate what is the minimum value of needed to move the two blocks?
A ball is held on an incline at the height of 72 cm. it is then released so that the ball rolls down the incline. At the bottom of the incline there is a loop where the ball rolls around in. If the loop is 62 cm high at its highest point what is the ..
Computing the kinetic energy, takeoff speed, and kinetic energy per kilogram.
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