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The following charges are located inside a metallic container on unknown shape: 4.40 uC, -5.40 uC, 69.0 uC, and 71.0 µC. Compute the net electric flux, in Nm2/C, during the container.
A 713 kilogram elevator starts from rest. It moves upward for 3.59 second with a constant acceleration until it reaches its cruising speed of 2.09m/s. Compute the average power delivered by the elevator motor during this period
0.700-kg ball traveling horizontally on a frictionless surface approaches a very massive stone at 20.0 m/s perpendicular to wall, What is the magnitude of the change in momentum of the stone
A glider of mass 1.00 kg is allowed to oscillate under the influence of a spring of spring constant 25.6 N/m while on a frictionless, horizontal air track. At t = 0 s glider is released from rest at x = 5.00 cm. (At equilibrium, the glider is at x = ..
A certain concrete will support a maximum compressive stress of 1.12 107 N/m2 before being crushed. A column of uniform width is to be made with this concrete. How tall can the column be if the stress in it at any point is not to exceed one fifth the..
A cyclist pedals a bicycle. The driving wheel accelerates from the rest to an angular speed of 6.4 rev/s in 3.8 revolutions. What is the angular acceleration of the wheel
A typical photovoltaic cell delivers 4.0×10?3W of electric energy when illuminated with 0.11W of light energy. What is the efficiency of the cell
A toy car rolls down a ramp, then across a smooth (frictionless), horizontal floor. Sketch a motion diagram, using the particle model, showing the car's velocity vectors
The electric field at a point in space is E? =( 600i^+ 600 j^)N/C. What is the magnitude of the proton's acceleration
Jane, looking for Tarzan, is running at top speed (5.6 m/s) and grabs a vine hanging vertically from a tall tree in the jungle. Determine how high can she swing upward
A 106 m long train begins uniform acceleration from rest. The front of the train has a speed of 23 m/s when it passes a railway worker who is standing 230 m from where the front of train started. What will be the speed of last car as it passes the..
a vector c1 has a magnitude of 40.0 units and points 35.0deg above the positive x axis. a second vector c2 has a
A 1000 {rm kg} wrecking ball hangs from a 15 {rm m}-long cable. The ball is pulled back until cable makes an angle of 25.0^circle with the vertical. By how much has the gravitational potential energy of the ball changed .
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