单词	per second per second
释义	per second per second adverb : per second every second —used of acceleration Example Sentences Recent Examples on the Web So, an acceleration of 0 meters per second per second means that the velocity won't change. Rhett Allain, Wired, 11 Feb. 2022 However, with a downward-pulling gravitational force, Drake should have a vertical acceleration of -9.8 meters per second per second (due to the gravitational field). Rhett Allain, Wired, 26 Nov. 2021 But still, there is just one more thing to consider: Guy's acceleration is calculated in units of meters per second per second. Rhett Allain, Wired, 27 Aug. 2021 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, 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, 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, 21 Sep. 2017 See More Word History First Known Use 1916, in the meaning defined above
随便看	unrulinesses unruly unrumpled unrung unrushed unrusted unruth UNRWA uns unsabbatical unsack unsacred unsadden unsaddle unsaddled unsaddles unsaddling unsafe unsafely unsafeness unsafer unsafest unsafetied unsafeties unsafety

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