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An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.
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All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction
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What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration
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2. Tentulan separuh hayat sampel radioaktif tersebut...
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