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acceleration    音标拼音: [,æks,ɛlɚ'eʃən]
n. 加速,促进,加速度

加速,促进,加速度

acceleration
加速时间

acceleration
加速

acceleration
n 1: an increase in rate of change; "modern science caused an
acceleration of cultural change" [ant: {deceleration},
{retardation}, {slowing}]
2: the act of accelerating; increasing the speed [synonym:
{acceleration}, {quickening}, {speedup}] [ant:
{deceleration}]
3: (physics) a rate of increase of velocity [ant:
{deceleration}]

Acceleration \Ac*cel`er*a"tion\, n. [L. acceleratio: cf. F.
acc['e]l['e]ration.]
The act of accelerating, or the state of being accelerated;
increase of motion or action; as, a falling body moves toward
the earth with an acceleration of velocity; -- opposed to
{retardation}.
[1913 Webster]

A period of social improvement, or of intellectual
advancement, contains within itself a principle of
acceleration. --I. Taylor.
[1913 Webster] (Astr. & Physics.)

{Acceleration of the moon}, the increase of the moon's mean
motion in its orbit, in consequence of which its period of
revolution is now shorter than in ancient times.

{Acceleration} and {retardation of the tides}. See {Priming
of the tides}, under {Priming}.

{Diurnal acceleration of the fixed stars}, the amount by
which their apparent diurnal motion exceeds that of the
sun, in consequence of which they daily come to the
meridian of any place about three minutes fifty-six
seconds of solar time earlier than on the day preceding.


{Acceleration of the planets}, the increasing velocity of
their motion, in proceeding from the apogee to the perigee
of their orbits.
[1913 Webster]

40 Moby Thesaurus words for "acceleration":
accelerando, aggravation, beefing-up, blowing up, blowup,
concentration, condensation, consolidation, deepening, double time,
double-quick, double-quick time, drive, enhancement, exacerbation,
exaggeration, explosion, festination, forced march, forwarding,
getaway, hastening, heating-up, heightening, hurrying, impetus,
information explosion, intensification, magnification, pickup,
population explosion, quickening, redoubling, reinforcement,
speeding, speedup, step-up, strengthening, thrust, tightening



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  • Acceleration - Wikipedia
    The SI unit of acceleration is the metre per second squared (m s −2); or "metre per second per second", as the velocity in metres per second changes by the acceleration value, every second
  • Acceleration | Definition, Facts, Units | Britannica
    Acceleration, rate at which velocity changes with time, in terms of both speed and direction A point or an object moving in a straight line is accelerated if it speeds up or slows down
  • 加速度(物理概念)_百度百科
    速度的变化量与对应时间的比值,即速度的变化率,称为加速度(acceleration)。 加速度是描述速度变化快慢的物理量,通常用a表示。
  • Acceleration: Definition, Formula, and Solved Problems
    What is acceleration How to find its magnitude Does it have a direction Learn its equations units, along with graphs Also, learn linear tangential acceleration
  • What is acceleration? (article) | Khan Academy
    Acceleration is the name we give to any process where the velocity changes Since velocity is a speed and a direction, there are only two ways for you to accelerate: change your speed or change your direction—or change both
  • 2. 4: Acceleration - Physics LibreTexts
    Acceleration is the rate at which velocity changes In symbols, average acceleration is a= Δv Δt The SI unit for acceleration is m s² Acceleration is a vector, and thus has a …
  • Acceleration – The Physics Hypertextbook
    Acceleration is the rate of change of velocity with time An object accelerates whenever it speeds up, slows down, or changes direction
  • Definition of Acceleration - 数学乐
    速度如何快速变化。 通常测量为m s 2 (“米每秒平方”) 示例:在仅仅一秒中从5m s(5米每秒)到6m s是每秒1米每秒1加速度, 并且两个“每秒”的量变成“每秒平方” 因此加速度为1m s 2
  • Acceleration | Physics - Lumen Learning
    In everyday conversation, to accelerate means to speed up The accelerator in a car can in fact cause it to speed up The greater the acceleration, the greater the change in velocity over a given time The formal definition of acceleration is consistent with these notions, but more inclusive
  • Acceleration - The Physics Classroom
    Acceleration is the rate at which they change their velocity Acceleration is a vector quantity; that is, it has a direction associated with it The direction of the acceleration depends upon which direction the object is moving and whether it is speeding up or slowing down





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