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Two small plastic spheres are given positive electrical charges. When they are a distance of 16.0cm apart, the force among them has a magnitude of 0 235N.
1) What is the charge on the second sphere?
2) What is the charge on each sphere if the two charges are equal?
3) What is the charge on first sphere if it has four times the charge of the other?
A hurricane-force wind of 220 blows across the face of a storefront window. Estimate the force on the 2.2 3.5 window due to the difference in air pressure
A large aquarium has portholes of thin transparent plastic with a radius of curvature of 1.95 m and their convex sides facing into the water. If the tooth has an actual length of 5.00 cm, how long does it appear to the observers
A line of charge with uniform density of 32.0 nC/m lies along the line y = -15.0 cm, Find the electric field it creates at the origin
Starting from rest, you move with a constant acceleration of 2.2 m/s2 for 15.0 s and then move with an acceleration of -2.2 m/s 2 for another 15.0s. What is your maximum speed attained? How far do you go through the whole trip?
An 8.00 g bullet is fired into a 230 g block that is initially at rest at the edge of a table of 1.00 m height. The bullet remains in the block, and after the impact the block lands d = 1.8 m from the bottom of the table. Decide the initial speed of ..
A 15 kg cannon ball is firedfrom a cannon with muzzle speed of 867 m/s at an angle of51.3? withthe horizontal. The acceleration of gravity is9.8m/s2 . Use conservation of mechanical energy to findthe maximum height reached by first ball.
examine the strengths and weaknesses of the various measures of investment attractiveness as used by Euro land Foods. Will all of the measures rank the projects identically? Explain why of explain why not?
A 1.35 block is attached to a spring with spring constant 14. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 50. What are The block's speed at the point where = 0.750 A.
The eyepiece of a refracting telescope (see Fig.34.53 in the textbook) has a focal length of 9.00 cm. What is the angular magnification of the telescope
Two identical small insulating balls are suspended by separate0.211 m threads that are attached to a common point on the ceiling. Each ball has a mass of 8.06E-4 kg. Initially the balls areuncharged and hang straight down.
A 1100 kg block of granite is pulled up an incline with L = 40.0 m at a constant speed of 1.06 m/s by a steam winch. What is the power of the winch
Multiple-Concept Example 1 discusses the concepts that are relevant to this problem. obtain the rise in its temperature
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