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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
  • 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
  • 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
  • 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
  • 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
  • The maximum deceleration of a car - Physics Forums
    The maximum deceleration of a car on a dry road is established at 8 0 m s² In a scenario where two cars approach each other at 88 km h (55 mi h) from a distance of 85 meters, calculations confirm that they will not collide, stopping 10 meters apart The equations of motion for both cars are derived, with car 1's position represented as x_1 (t) and car 2's as x_2 (t), incorporating their
  • Negative acceleration, deceleration and decreasing acceleration . . .
    The discussion revolves around the distinctions between decreasing acceleration, deceleration, and negative acceleration, focusing on their definitions and implications in various contexts Participants explore the nuances of these terms in relation to velocity changes, particularly in scenarios such as braking and reversing One participant asserts that acceleration is the rate of change of
  • 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
  • Kinematics: Average Deceleration Underwater - Physics Forums
    The discussion focuses on calculating the average deceleration of a person underwater after jumping from a diving board The participant initially used the equations of motion, specifically V^2 = Vo^2 - 2gy and V^2 = Vo^2 + 2a (x - xo), to determine the velocity upon entering the water and subsequently the deceleration underwater The correct approach involves recognizing the total distance
  • 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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