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the diagram shows a ray of light being reflected by a plane mirror and one angle is 60 degrees. what will be the measure of its angle of incidence and angle of reflection?
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Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little
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Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)
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Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above
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the diagram shows a ray of light being reflected by a plane mirror and one angle is 60 degrees. what...
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