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Question
The graph above represents the velocity of some subatomic particle in an electric field. The graph represents the particles velocity as it moves in a straight in positive and negative directions. During which of the labeled time intervals is the particle slowing down during the entire interval?
The graph above represents the velocity of some subatomic particle in an electric field. The graph represents the particles velocity as it moves in a straight in positive and negative directions. During which of the labeled time intervals is the particle slowing down during the entire interval?
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Solution
The correct option is D 1 and 4 only
In the interval 1, the particle's velocity is negative, but reduces in speed as it approaches zero velocity. Hence the particle is slowing downIn the interval 4, the particle's velocity is positive and reducing in magnitude. Hence the particle is slowing down in the interval.Hence correct answer is option D.
In the interval 1, the particle's velocity is negative, but reduces in speed as it approaches zero velocity. Hence the particle is slowing down
In the interval 4, the particle's velocity is positive and reducing in magnitude. Hence the particle is slowing down in the interval.
Hence correct answer is option D.
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