Define the terms speed, velocity, acceleration, displacement, instantaneous speed, write units also?
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Define the terms speed, velocity, acceleration, displacement, instantaneous speed, write units also?
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Answer:
Speed can be thought of as the rate at which an object covers distance. Speed has the dimensions of distance divided by time. The SI unit of speed is the metre per second, but the most common unit of speed in everyday usage is the kilometre per hour or, in the US and the UK, miles per hour.
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.
Displacement (symbolized d or s ), also called length or distance, is a one-dimensional quantity representing the separation between two defined points. The standard unit of displacement in the International System of Units ( SI ) is the meter (m).
Explanation:
Rest two defination are in attachment
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