Find the focal length of the convex mirror
A candle is placed 19.00 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, the image moves 7.0 cm farther away from the mirror. Find the focal length of the convex mirror.
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A suitcase weighing 222 N is at rest on the floor of a hotel lobby. With what minimum horizontal force must a bellhop push the suitcase to start it moving?
A flywheel having constant angular acceleration requires 5.00 to rotate through 166 . Its angular velocity at the end of this time is 101 . Find the angular velocity at the beginning of the 5.00 interval; the angular acceleration of the flywheel.
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You have a wire with 0.6cm diameter. The wire is wound on a spool with a radius of 35m and height of 26cm. How many radians must the spool be turned to wrap one even layer around the spool? What is the length of the wound wire?
A mass spectrometer applies a voltage of 2.00 kV to accelerate a singly charged positive ion. A magnetic field of B = 0.400 T then bends the ion into a circular path of radius 0.305 m. What is the mass of the ion?
If the coefficient of static friction between the board and the wall is 0.73, what is the least force you can apply and still hold the board in place?
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When viewed from above, concentric bands of red and dark are observed. what does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?
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Describe the history of social workers within community and organizational work. What would you describe as a major change or shift within the last 30 years?
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