Question

01 Define velocity
velocality and acceleration with SI units​

Answer 1

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Velocity is speed with direction. Velocity and speed are measured in meters per second (m/s).

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Acceleration is the rate of change of velocity and is measured in meters per second per second (m/s^2).

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Answer 2

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Hey........!!!

Velocity :

• Velocity is a physical vector quantity; both magnitude and direction are needed to define it.
• The scalar absolute value (magnitude) of velocity is called speed, being a coherent derived unit whose quantity is measured in the SI (metric system) as metres per second (m/s) or as the SI base unit of (m⋅s−¹).

In SI base units: m/s

Other units: mph, ft/s

Dimension: L T−¹

Acceleration :

• In physics or physical science, acceleration (symbol: a) is defined as the rate of change (or derivative with respect to time) of velocity.
• It is thus a vector quantity with dimension length/time². In SI units, acceleration is measured in meters/second² using an accelerometer.