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deceleration    音标拼音: [dɪs,ɛlɚ'eʃən]
n. 减速

减速

deceleration
减速

deceleration
减速

deceleration
n 1: a decrease in rate of change; "the deceleration of the arms
race" [synonym: {deceleration}, {slowing}, {retardation}] [ant:
{acceleration}]
2: (physics) a rate of decrease in velocity [ant:
{acceleration}]
3: the act of decelerating; decreasing the speed; "he initiated
deceleration by braking" [ant: {acceleration}, {quickening},
{speedup}]

deceleration \deceleration\ n.
a decrease in velocity. Opposite of {acceleration}

Syn: slowing, retardation.
[WordNet 1.5]

71 Moby Thesaurus words for "deceleration":
arrest, arrestation, catabasis, check, collapse, constraint,
control, cooling, cooling down, cooling off, crash, curb,
curtailment, declension, decline, decline and fall, decrescendo,
delay, detention, diminuendo, dive, downtrend, downturn, drag,
drop, dwindling, ease-off, ease-up, ebb, fall, flagging, hindrance,
holdup, inhibition, injunction, interdict, lag, lapse,
legal restraint, letdown, letup, minus acceleration, monopoly,
obstruction, plunge, prohibition, protection, protectionism,
protective tariff, rationing, rein, remission, restraint,
restraint of trade, retardation, retardment, retreat, retrenchment,
self-control, setback, slack-up, slackening, slowdown, slowing,
slowing down, slowup, slump, subsidence, tariff wall,
thought control, wane


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  • Is Deceleration Really a Forbidden Word in Physics?
    One participant compares the term deceleration to the concept of cold, suggesting that while it may lack scientific precision, it is widely understood and useful in everyday language Participants do not reach a consensus on the validity of the term deceleration Multiple competing views remain regarding its definition and usefulness in physics
  • How to calculate vehicle deceleration (time to stop)
    To calculate the distance a bike will roll after stopping pedaling, use kinematic equations that incorporate deceleration and road grade The primary equations are: a = (vf - vi) t for deceleration, t = (vf - vi) a for time, and d = vi*t + 1 2*a*t^2 for distance To account for the incline, the equation modifies to d = vi*t + 1 2*a*t^2 + (g*sinθ*t^2) 2, where g is 9 8 m s² and θ is the
  • Kinematics: time for a given acceleration, deceleration and distance . . .
    The discussion revolves around a kinematics problem involving a train that accelerates and decelerates over a fixed distance, with the goal of determining the minimum time for this motion Participants explore the relationship between acceleration, deceleration, and distance, questioning the implications of these variables on the time taken for the journey Exploratory, Assumption checking
  • Calculating Constant Rate of Deceleration • Physics Forums
    Discussion Overview The discussion revolves around calculating the constant rate of deceleration for a platform moving at a constant velocity, with the goal of stopping at a specific distance within a set number of time intervals (clock ticks) Participants explore various equations and methods related to motion, acceleration, and deceleration, while addressing the constraints of the problem
  • Calculating Deceleration and Force of Impact: Skateboarding Physics . . .
    Investigate the effects of different surfaces on deceleration during collisions Students studying physics, particularly those focusing on mechanics, as well as educators seeking to explain concepts of force and motion in practical scenarios
  • What does it mean to say that an object decelerates?
    The discussion revolves around the concept of deceleration in physics, specifically questioning the clarity and usage of the term Participants explore whether deceleration can be defined unambiguously and how it relates to acceleration and velocity Participants examine the definition of deceleration, questioning if it implies a reduction in speed or a decrease in acceleration Some express
  • Deceleration falling into a harness - Physics Forums
    They seek clarification on the deceleration process and whether factors like body mass and harness elasticity affect the calculations Additionally, they question the validity of using the equation E = mgh to estimate potential energy and its conversion to force in kilonewtons Understanding of basic physics concepts, including kinematics and
  • How much deceleration is reasonable for a free fall impact?
    The discussion revolves around the deceleration experienced by a tank weighing approximately 7 5 Kg during a free fall from a height of 1 meter, particularly focusing on the validity of a calculated acceleration of around 200G Participants explore the implications of different impact surfaces and the dynamics of deceleration in relation to finite element analysis (FEA) results Some





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