58. Spotlight On (Fig.) Is set at a distance of l = 100

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58. Spotlight On (Fig.) Is set at a distance of l = 100 m from the wall AB and throws a bright spot on the wall. Spotlight rotates around a vertical axis, making one revolution in a time T = 20 seconds. To find:
1) The equation of motion of the light spot on the wall during the first quarter of the turnover;
2) the rate υ, from which the light spot moves along the wall, at time t = 2 s. For origin taken when the beam direction coincides with the operating system.

Additional information

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)


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