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A positive charge ball hangs, attached to a thread of negligiblemass. Similarly a negative charged ball hangs attached to athread of negligible mass. Each ball has mass of 0.14g and amagnitude charge of q. Attracted to each other, each of theirthread form a 20 degree angle from the vertical. The ballsare separated by a distance of 2.05 cm.a) find the magnitude of the electric force acting on eachball; a)___________________b) the tension in each thread, and b)___________________c) the magnitude of the charge on the balls c)___________________
A diffraction grating with 395 lines/mm is 1.00 m in front of a screen. What is the wavelength of light whose first-order maxima will be 16.9 cm from the central maximum on the screen.
A small metallic bob is suspended from the ceiling by a thread of negligible mass. The ball is after that set in motion in a horizontal circle so that thread describes a cone. Compute the magnitude of the angular momentum of the bob about a vertic..
The angle of refraction of a ray of light traveling through a piece of fused glass quartz is 41°. Find the angle of incidence
Find out the magnitude of the acceleration (in m/s2) for an alpha particle in a uniform electric field with a magnitude of 100 N/C
A parallel-plate air capacitor has a capacitance of 500 pF and a charge of magnitude 0.200 uC on each plate. The plates are 0.700 mm apart. What is the surface charge density on each plate
To correct myopia, is it necessary to move the image formed by the eye closer to or farther from the eyes lens system, Is the curvature of this lens concave or convex
A train has a speed of v = 66.5 km/h. If the acceleration experienced by the passengers is to be less than 0.35 g, find the smallest radius of curvature R acceptable for the track
A glass is slid across a table top, goes off the edge and falls to the floor below. With what velocity did the glass leave the table top
The ballistic pendulum is a device used to measure the speed of a projectile, such as a bullet. calculate the speed immediately after collision
A 7800 kg boxcar traveling at 18.0 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 7.5 m/s. What is the mass of the second car
One runner ran the 100-m dash in 11.9 s. Another runner came in secona at 12.4 s. determine the sepaaration between the two runners
A simple pendulum of length 2.00 m is made with a mass of 2.00 kg. What is the speed of the mass when the pendulum is 45(degree) above its lowest position
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