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Consider a uranium nucleus to be a sphere of radius R = 7.4 x 10-15 m with a charge of 92e distributed uniformly throughout its volume. (a) What is the electric force exerted on an electron when it is 3.0 x 10-15 m from the center of the nucleus? (b) What is the acceleration of the electron at this point?
A 5.4ft -ft-tall girl stands on level ground. The sun is 30? above the horizon. How long is her shadow
Inside a cart that is accelerating horizontally at acceleration ~a, there is a block of mass M connected to two light springs of force constants k1 and k2
The largest constant magnetic field achieved in the laboratoryis about 40 T. What is the magnetic energy density due to this field
A block of wood floats in water with 0.64 of its volume submerged. When placed in oil, the submerged fraction of the volume is 0.88. Find the density of the wood. Find the density of the oil
research and summarize the concept of the quantum computer and explain the concept of the qubit as opposed to the
Consider a spacecraft in an elliptical orbit around the earth. At the low point, or perigee, of its orbit, it is 300km above the earth's surface; What is the period of the spacecraft's orbit
An object is placed two focal lengths from a diverging lens. What is the magnification and location of the image.
A copper rod has a length of 1.5 m and a cross-sectional area of4.0×10-4 m2. What is the mass of ice per second that melts
three forces when added produce a resultant force that is 100N pointing 63° above the positive x-axis. what are the magnitude and direction of the third force
How far from the center of the earth must you go so that your weight is half of that at the surface of the earth
A 230-µF capacitor and a 40m H inductor are in series with a 345 O resistor. What is the impedance at the resonant frequency
An airplane is flying in a jet stream that is blowing at 45.0 m/s in a direction 18° south of east, What is the airplane's speed relative to the earth
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