The small circles in the diagram below represent the positions along the x axis of a body at equal time intervals. Assume the body moves in a straight line.This diagram is most likely to describe

A. a swimmer swimming laps.
B. an exercise on a rowing machine.
C. a person on a treadmill.
D. a tennis ball during a volley.
E. a runner who tripped, fell, rose, and continued racing.


Answer: E

Physics & Space Science

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Two coherent sound waves will destructively interfere when the path difference is the wavelength times what?

A) half an even integer B) an integer C) half an odd integer D) an odd integer

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Indicate whether the statement is true or false

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An electron is accelerated through a potential difference of 25000 V. What is the de Broglie wavelength of the electron (in m)?

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