The kinetic energy of a body is 100 J and momentum 50 kg m/s. Mass is MCQ with Answer and Explanation
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Question #1
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A voltmeter is always connected in
Question #2
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The slope of a displacement-time graph for uniform motion is
Correct Answer: Option D
Explanation:
Displacement-time graph slope = Δx/Δt = average velocity. For uniform motion, velocity constant, graph is a straight line, slope equals velocity. Acceleration would be slope of velocity-time graph. Thus, slope represents velocity. Exam trick: slope of x-t graph gives instantaneous velocity.
Displacement-time graph slope = Δx/Δt = average velocity. For uniform motion, velocity constant, graph is a straight line, slope equals velocity. Acceleration would be slope of velocity-time graph. Thus, slope represents velocity. Exam trick: slope of x-t graph gives instantaneous velocity.
Question #3
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The unit of magnetic field strength is
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