per second per second


Definition of per second per second

: per second every second used of acceleration

Examples of per second per second in a Sentence

Recent Examples on the Web Just as speed tells you how fast your position changes, acceleration describes how your speed changes in meters per second per second (m/s2). Popular Mechanics Editors, Popular Mechanics, "How to Jump from a Moving Train Using Science," 15 Sep. 2019 In the vertical direction, the ball starts with zero vertical velocity and then accelerates downward at 9.8 meters per second per second (due to the gravitational force). Adam Rogers, WIRED, "The Awesome Bowling Robot Is Surely Fake. Here's How to Tell," 10 July 2019 And, though the acceleration produced is small (1mm per second per second), there is little in the vacuum of space to slow the craft down. The Economist, "Space travelA new way of propelling spacecraft may open up the asteroid belt," 21 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'per second per second.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of per second per second

1916, in the meaning defined above

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Time Traveler for per second per second

Time Traveler

The first known use of per second per second was in 1916

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Statistics for per second per second

Cite this Entry

“Per second per second.” Dictionary, Merriam-Webster, Accessed 8 Aug. 2020.

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