How much horizontal distance is required for ramp
Front door to student union is 16 feet above ground, and it is reached by the flight of steps. School wishes to build the wheel-chair ramp, with the incline of 15 degrees, from ground to door. How much horizontal distance is required for ramp?
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The far point of a near-sighted person is 6.5 m from her eyes, and she wears contacts which facilitate her to see far-away objects clearly. A tree is 23.8 m away and 2.8 m high.
School wishes to build the wheel-chair ramp, with the incline of 15 degrees, from ground to door. How much horizontal distance is required for ramp?
Your friend consists of a near point of 121 cm, and she wears contact lenses that encompass a focal length of 37.0 cm. Explain how close can she hold a magazine and still read it clearly?
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