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Three blocks, each having a mass of 1.21 kg, are connected by rigid rods of negligible mass and are supported by a frictionless surface. Forces F1 and F2, of magnitude 4.95 N and 11.6 N respectively, are applied to the ends of the blocks as shown in the figure below. Find the forces acting on block B (the +x direction is to the right).
A. The magnitude of the force applied by the rod on the left.
B. The magnitude of the force applied by the rod on the right.
Three charged particles are arranged into a triangle. The charge on the particle located (4.0cm, 3.0cm) is 5nC. The charge on the particle at the origin is -3nC, and the change on the particle located at (4.0cm, 0cm) is +6nC. Determine the magnitu..
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The allowed energies of a simple atom are 0.0eV , 3.5eV and 5.0eV . An electron traveling at a speed of 1.6×10^6m/s collisionally excites the atom. What is the maximum speed the electron could have after the collision
The change in the kinetic energy of the system
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A photographer uses his camera, whose lens has a 50 mm focal length, to focus on an object 3.5m away. How far must the lens move to focus on this second object
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