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A bullet with mass 20 grams and velocity 118 m/s collides with a wooden block of mass 2.0 kg. The wooden block is initially at rest, and is connected to a spring with k = 850 N/m. The other end of the spring is attached to an immovable wall. What is the maximum compression of the spring?
Note: You may assume that the spring is massless and that the collision between the bullet and the wooden block is completely inelastic.
The figure below shows a thin-lens representation of a compound microscope (not to scale). The objective produces a real image I of object O just inside the focal point F1 of the eyepiece. Image I then acts as an object for the eyepiece, which pro..
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A cosmic ray electron moves at 7.85 x 10e6 m/s perpendicular to the earth's magnetic field at an altitude, What is the radius of the circular path the electron follows
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