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The two oppositely charged metal spheres in the figure have equal quantities of charge. They are brought into contact with a neutral metal rod.
What is the final charge state of each sphere and of the rod?
An object moving with uniform acceleration has a velocity of 16 cm/s in the positive x direction when its x coordinate is 3 cm. If its x coordinate 1 s later is -5 cm, what is its acceleration.
Determine what is the instantaneous power, at a time of 0.00550 seconds, dissipated by a 200 Ω resistor in a resonant AC circuit powered by a generator
An 8.70 kilogram block slides with an initial speed of 1.56 m/s up a ramp inclined at an angle of 28.4o with the horizontal. Use energy conservation to obtain the distance the block slides before coming to rest
A d = 4.57 mm diameter wire carries an electric current of I = 14.3 A when the electric field is E = 7.53×10-2 V/m along the wire. What is the conductivity of the wire
A 1300-{rm kg} car rolling on a horizontal surface has speed v = 50 km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.7 m. Illustrate what is the spring stiffness constant of the spring?
A 3.10-m-long, 310 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 73.0 kg construction worker stands at the far end of the beam. What is the magnitude of torque abou..
The initial velocity of a baseball just after being hit by the bat is vo at an angle of 30° with the horizontal. The baseball reaches a max height of h. What should the velocity of the ball be
Happiness, according to Aristotle, is the most desirable of all things. In the past few decade, many researchers have been studying predictors of happiness in an attempt to understand the construct.
this question deals with air track experiment and collisions of the track cars. was it necessary to have equal length
An electron acquires 100 fj of kinetic energy when it is accelerated between two parallel plates at a distance 1 millimeter, estimate magnitude of the electric field between the plates
question1what pairs of forces act in the following situations?a. a pitcher throws a baseball.b. a batter hits a
Calculate the percent reflection loss when a beam of radiation passes from air through a plate back into air assuming that the plate has a refractive index of 1.45
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