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A system consisting of two positive particles is altered by an outside force so that its potential energy increases by 5.4 ?J. There is no change in kinetic energy between the initial and final states of the system.
(a) What is the work done by the outside force?
(b) What is the work done by the electric force?
(c) Are the particles closer together or farther apart after the system's rearrangement?
A converging lens of focal length 0.187 m forms a virtual image of an object. What is the distance between the object and the lens
A 60 kg pole vaulter running at 11 m/s vaults over the bar. Her speed when she is above the bar is 0.7 m/s. determine her altitude as she crosses the bar
The magnitude of the vector is 45.0 units and points in the direction 386 counter clockwise from the positive x-axis. Calculate the x-component of this vector.
A box of mass m slides across a horizontal table with coefficient of friction ? . Find the acceleration of the system
An alternating source drives a series RLC circuit with an emf amplitude of 6.07 V, at a phase angle of +33.3°. what is the potential difference across the inductor
A solid sphere of mass 2.5 kg and a radius 0.15m starts from rest at the top of the a ramp inclined 15 degrees, What is the total kinetic energy of the sphere when it reaches the bottom of the ramp
Assuming that air resistance exerts a 95 N force on the person during the fall, identify the person's velocity just before hitting the net.
A 1000kg car traveling at a speed of 40m/s skids to a halt on wet concrete where the friction force is 6000N
how far did the last car travel before momentarily coming to a rest. A 3 kg block accelerates at a rate twice that of a 6 kg block. Is the net force acting on the 3kg block twice as large as that acting on 6kg block.
A heart defibrillator delivering 400 J of energy by discharging a capacitor initially at 10,000 V has a capacitance of 8.00 µF, What is the voltage of the second defibrillator
A 100-g ball collides elastically with a 300-g ball that is at rest. what are the velocities of the two balls after the collision
After 3.1 ms has elapsed, how much charge remains on the 3.00-µF capacitor, What is the current in the resistor at this time
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