1. In uniform circular motion, the acceleration is perpendicular to the velocity at every instant. Is this still true when the motion is not uniform? 2. Raindrops hitting the side of windows of a car in motion often leave diagonal streaks even if there is no wind. Why? Is the explanation the same or different for diagonal streaks on the windshield?
1. In uniform circular motion, the acceleration is perpendicular to the velocity at every instant. Is this still true when the motion is not uniform? 2. Raindrops hitting the side of windows of a car in motion often leave diagonal streaks even if there is no wind. Why? Is the explanation the same or different for diagonal streaks on the windshield?
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Transcribed Image Text:1. In uniform circular motion, the acceleration is perpendicular to the velocity at every
instant. Is this still true when the motion is not uniform?
2. Raindrops hitting the side of windows of a car in motion often leave diagonal streaks
even if there is no wind. Why? Is the explanation the same or different for diagonal
streaks on the windshield?
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