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Three uniform spheres are located at the corners of anequilateral triangle. Each side of the triangle has a length of 1.2m. Two of the spheres have a mass of 2.8 kg. each. The third sphere(mass unknown) is released from rest. Considering only thegravitational forces that the spheres exert on each other, what is the magnitude of the initial acceleration of the third sphere?
Two infinite, straight, parallel wires, each carrying current I in the same direction, are coincident with the lines (1,0,z) and (-1,0,z). What is the approximate frequency of small oscillations in the vicinity of the origin
A pump lifts 320kg of water per hour a height of 3.5m. find the minimum necessary power output rating of the water pump
A horizontal merry-go-round has a mass of 1000 kg, and is a solid disk of radius 2.00 m. It is started from rest by a constant horizontal force of 50.0 N applied tangentially to the edge of the disk.
You measure distances from the center of a diffraction pattern (y) to a series of dark fringes on a screen, What is the wavelength of the laser you used to collect the data
A well with vertical sides and water at the bottom resonates at 7.00 Hz and at no lower frequency. How far down in the well is the water surface
Consider three point charges located at the corners (points 1, 2, and 3) of a right triangle with sides "a", where q1 is located at corner 1, q2 at corner 2, and q3 at corner 3, Find the resultant force exerted on q3
If John Glenn weighed 640 N on the Earth's surface, i) how much would be having weighed if his Mercury spacecraft had (hypothetically) remained at twice the distance from the center of the earth? ii) Why is it said that an astronaut is never truly..
For a Nd:YAG laser there are four pump levels located at 1.00 eV, 1.24 eV, 2.40 eV, and 2.54 eV. What is shortest possible pump wavelength (in nanometers) that could be used to populate any of the excited energy levels
A soldier has a huge contraption that notches a large 2 kg arrow (it looks more like a lance) in a massive bow and uses a winch system to draw the arrow back to set the bow. What is the speed of the arrow
A 3.00 and a 6.00 capacitor are connected in parallel, and this combination is connected across a 46.0 potential difference. Calculate the charge on first capacitor. Calculate the charge on second capacitor. Calculate the potential difference across ..
What is the magnitude of net force causing the acceleration.
A record (mass 100g and radius 12cm) is rotating at a rate of 33rpm. What is the new rotational rate if angular momentum is conserved
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