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- DictionaryAc·cel·er·a·tion/əkˌseləˈrāSHən/
noun
- 1. a vehicle's capacity to gain speed within a short time: "a Formula One car is superior to an Indy car in its acceleration"
May 2, 2024 · 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. Motion on a circle is accelerated even if the speed is constant, because the direction is continually changing.
In mechanics, acceleration is the rate of change of the velocity of an object with respect to time. Acceleration is one of several components of kinematics, the study of motion. Accelerations are vector quantities (in that they have magnitude and direction).
Acceleration, 8 m/s^2, is the change in velocity, and in this case it is in the positive direction. So, the velocity will become 8 m/s more positive for every second that this acceleration is present. (8 m/s^2)* (3s)=24 m/s, This is a positive change in velocity, so -34 m/s + 24 m/s=-10 m/s.
summary. practice. problems. resources. Discussion. definition. When the velocity of an object changes it is said to be accelerating. Acceleration is the rate of change of velocity with time. In everyday English, the word acceleration is often used to describe a state of increasing speed.
1. a. : the act or process of moving faster or happening more quickly : the act or process of accelerating. rapid acceleration. the acceleration of economic growth. b. : ability to accelerate. a car with good acceleration. 2. physics : the rate of change of velocity with respect to time. broadly : change of velocity.
the increase in something's speed, or its ability to go faster: An older car will have poor acceleration. High winds significantly hampered the plane's acceleration. [ S or U ] the increase in the speed at which something happens: The acceleration in the decline of manufacturing industry began several years ago.
An increase in the magnitude of the velocity of a moving body (an increase in speed) is called a positive acceleration; a decrease in speed is called a negative acceleration. Acceleration, like velocity, is a vector quantity, so any change in the direction of a moving body is also an acceleration.
