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Snap, [6] or jounce, [2] is the fourth derivative of the position vector with respect to time, or the rate of change of the jerk with respect to time. [4] Equivalently, it is the second derivative of acceleration or the third derivative of velocity, and is defined by any of the following equivalent expressions: = ȷ = = =.
Acceleration has the dimensions of velocity (L/T) divided by time, i.e. L T −2. 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.
Consider a differentiable manifold with a given connection .Let : be a curve in with tangent vector, i.e. velocity, ˙ (), with parameter .. The acceleration vector of is defined by ˙ ˙, where denotes the covariant derivative associated to .
For gaseous bodies, the "surface" is taken to mean visible surface: the cloud tops of the giant planets (Jupiter, Saturn, Uranus, and Neptune), and the Sun's photosphere. The values in the table have not been de-rated for the centrifugal force effect of planet rotation (and cloud-top wind speeds for the giant planets) and therefore, generally ...
2. Click the Add a Favorite icon . 3. Left-click a product or service | Click Add to Toolbar. Want to make your toolbar stand out? Customize it by adding personalized labels and images. 1. Sign in to AOL Desktop Gold. 2. Right-click the toolbar icon you'd like to edit | Click Edit. 3. Search for or select an icon. 4. Enter a label name. 5 ...
Its symbol is written in several forms as m/s 2, m·s −2 or ms −2, , or less commonly, as (m/s)/s. [ 1 ] As acceleration, the unit is interpreted physically as change in velocity or speed per time interval, i.e. metre per second per second and is treated as a vector quantity.
The Windows 95 taskbar buttons evolved from an earlier task-switching design by Daniel Oran, a program manager at Microsoft, that featured file-folder-like tabs across the top of the screen, similar to those that later appeared in web browsers. [2] For this reason, the taskbar was originally intended to be at the top of the screen.
The AOL homepage can be pinned to your Start menu to avoid having to open your browser and manually enter the web address. Pinning an item to your Start menu creates a tile that acts like a shortcut to a website you use the most.