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A charge of -1.0 µC is located at the origin, a second charge of 4.2 µC is located atx = 0, y = 0.1 m, and a third charge of 11 µC is located at x = 0.2 m, y = 0. Find the forces that act on each of the three charges.
A Young's double-slit experiment is performed using light that has a wavelength of 623 nm. Calculate the angle that locates the first-order bright fringes
A constant friction force of 5 N acts on a 85 kg skier for 20 s. What is the skier's change in velocity
A wrecking ball (weight = 4600 N) is supported by a boom, which might be assumed to be uniform and has a weight of 3600N. As the drawing shows, a support cable runs from the top of the boom to the tractor. The angle between the support cable and t..
Consider a solid sphere and a thin shell with the same radius and the same mass. Explain why the thin shell has a greater amount of intertia
Three 0.50 kg particles form an equilateral triangle with 0.60 msides. The particles are connected by rods of negligible mass. What is the rotational inertia of this rigid body about (a) an axis thatpasses through one of the particles and is paral..
A modern microscope is equipped with a turret that has three objectives with focal lengths of 16 mm, 4.0 mm, and 1.6 mm, What are the greatest and least magnifications possible
A piano tuner hears one beat every 2.16 s when trying to adjust twostrings, one of which is sounding 443 Hz, so that they sound thesame tone. How far off in frequency is the other string?
A uniform electric field of magnitude 2500N/C makes an angle of 27 degrees with a plane surface of area 0.355 m2. what is the net charge inside the box
A resistor with R = 1.5 k? is connected to an AC generator that operates at 60 Hz with an amplitude of 49 V. (a) Find the amplitude of the current through the resistor. A
A particle has a charge of +2.3 ?C and moves from point A to point B, a distance of 0.12 m. Find the magnitude of the electric force that acts on the particle
A laser with wavelength 650 nm is incident on a single slit with width 10 mm. How far apart will the first dark bands on either side of the central maximum be
An Olympic skier whose mass is 50 kg is moving at 25 m/s down a 20degree slope encounters a region of wet snow of coefficient of frictio Uk=0.55 which reduces her speed. Find the acceleration of the skier
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