Negative velocity combined with positive acceleration is one type of deceleration, while a positive velocity with negative acceleration is another type. As with acceleration, deceleration may be described in terms of both positives and negatives.
Negative velocity is where time decreases and the velocity at which the object moves away from its starting point decreases.ĭeceleration refers to when acceleration and velocity point in opposite directions. Define decelerate by Webster's Dictionary, WordNet Lexical Database, Dictionary of Computing, Legal Dictionary, Medical Dictionary, Dream Dictionary. For example, a positive velocity is described as an occasion where time increases and the velocity at which the object moves away from its starting point increases. Looking for definition of decelerate decelerate explanation. Exact Inflationary Solutions from a Superpotential Dpc is the shell diameter in parsecs, Tyr is the age of the remnant in years, k is a constant and is a ‘deceleration parameter’. Help us improve our definitions, add your own or improve one of these for the word decelerate as a verb. Acceleration means that acceleration and velocity point in the same direction, meaning both positive and negative velocities can be measured. Phenomenologically, the cosmological models accelerate or decelerate depending on the sign of the second derivative of the scale factor. ‘Coronary heart disease mortality in women from both countries increased with age, and in both countries the death rate in men decelerated at older ages, reducing the magnitude of the sex difference.’.
However, in physics, acceleration is defined as a change in velocity when the motion is unidirectional. ‘In the meantime, the real GDP rate of growth decelerated sharply in Q4.’.
Another way to describe deceleration is as a decrease in the magnitude of velocity. in cosmology is a dimensionless measure of the cosmic acceleration of the expansion of space in a FriedmannLematreRobertsonWalker universe.
#Decelerate definition free
Conversely, when motion or speed decreases, the body is said to decelerate. Find 3 ways to say DECELERATE, along with antonyms, related words, and example sentences at, the world's most trusted free thesaurus. To reduce the rate of advancement of something, such as a disease. When motion or speed increases, the body is said to accelerate. Measures intended to decelerate the arms buildup. All rights reserved.In everyday language, the word deceleration is typically used to signify the opposite of acceleration. Copyright 2005, 1997, 1991 by Random House, Inc. That is, as the object slows down, its rate of change of Velocity is found to be negative (meaning, the Vector. Definitions and Meaning of decelerate in English decelerate verb. Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd.
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