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A cubic cardboard box of side a = 0.430 m is placed so that its edges are parallel to the coordinate axes. There is NO net electric charge inside the box, but the space in and around the box is filled with a nonuniform electric field of the following form: E(x,y,z) = K*z j + K*y k, where K= 3.20 N/C.m is a constant.
(a) What is the electric flux through the top face of the box? (The top face of the box is the face where z=a. Remember that we define positive flux pointing out of the box.)
(b) What is the total electric flux through the five other faces of the box? (Again, outward flux is positive.)
When a ceiling fan rotating with an angular speed of 2.75 rad/s is turned off, a friction torque of 0.120 N.m slows it to a stop in 22.5s . What is the moment of inertia of the fan?
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An artillery shell is fired with an initialvelocity of 300 m/s at 52.0° above the horizontal. To clear an avalanche, itexplodes on a mountainside 44.0 s afterfiring. What are the x and y components of theshell where it explodes, relative to its firin..
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