Intersection of a car just as the traffic light turns yellow
A person driving her car at 45 approaches an intersection just as the traffic light turns yellow. She knows that the yellow light lasts only 2.0 before turning to red, and she is 28 away from the near side of the intersection.
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A 0.500-kg ball is thrown vertically upward with an initial speed of 10.0 m/s. If the initial potential energy is taken as zero, find the ball's
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Which has a longer period: an ocean wave or the low note on a piano? Explain.
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If a super-ball of mass 200-g is dropped from 3 m in the air, but only bounces back 2.8 m, how much energy was lost in the collision with the ground?
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