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A thin metallic spherical shell of radius 40.1 cm has a total charge of 7.65 ?C uniformly distributed on it. At the center of the shell is placed a point charge of 3.53 oC. What is the electric field at a distance of 22.9 cm from the center of the spherical shell? outward, inward, directionless?
Consider two stars, A and B, whose parallaxes are, respectively: 0.01 arcsec and 0.005 arcsec. What are the distances to each star in parsecs
A riffle with mass 3.00kg fires a bullet with mass 3.50x10^(-3)kg at a speed of 330 m/s. What is the recoil speed of the riffle
During an adiabatic expansion the temperature of 0.430 moles of argon (Ar) drops from 54 C to 15 C. How much work does the gas do
A copper wire has radius r = 0.0245 cm, is 3.05 m long, has resistivity ρ = 1.72 · 10−8 Ω m, and carries a current of 0.360 A. The wire has density of charge carriers of 8.50 · 10^28 electrons/m^3.
An object has a kinetic energy of 310 J and a momentum of magnitude 22.1 kg · m/s. Find the mass of the object
Two identical point charges (q = +6.70 10-6 C) are fixed at diagonally opposite corners of a square with sides of length 0.475 m. Determine the speed of the test charge when it reaches the center of the square
A projectile ,was launched vertically from the surface, of the Moon rises to an altitude of 330km. What would be the projectile's initial speed
In a fast-pitch softball game the pitcher is impressive to watch, as she delivers a pitch by rapidly whirling her arm around so that the ball in her hand moves in a circle. Determine the angle of the total acceleration relative to the radial direct..
A slingshot sends a projectile straight up. It reaches maximum height 1.75 seconds later. What was the projectile's initial velocity
A solenoid of length 15 cm and radius 0.8 cm with 350 turns is in aexternal magnetic field of 400 T that makes an angle of50owith the axis of the solenoid. Find the magnetic fluxthrough the solenoid. Answer in units of mWb. My assignment gave methe e..
Two objects are attached to ropes that are attached to wheels on a common axle as shown below. The two wheels are glued together so that they form a single object. The total moment of inertia of the two wheels is 36 kg · m2
A cosmic ray travels 60km through the earth's atmosphere in 450us , How long does the journey take according to the cosmic ray
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