Question

Write S.I Units and Formula For the Following
1) Speed
2) Velocity
3) Acceleration
4) Distance
5) Displacement
6) Time
​

Answer 1

1. its unit in SI is km/s. Speed is defined as the displacement of a body per unit time. its unit in SI is km/s.
2. The meaning of velocity of an object can be defined as the rate of change of the object's position with respect to a frame of reference and time. ... It is a vector quantity, which means we need both magnitude (speed) and direction to define velocity. The SI unit of it is meter per second (ms-1).
3. Acceleration can be defined as the rate of change of velocity with time. It can also be defined as the increase in velocity per second. The S.I. unit of acceleration is meter per second square or ms−2.
4. SI unit of distance is metre and CGS unit is centimeter.
5. Meter
6. Second

Answer 2

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$\large\bf{\underline{\red{Speed}}}$

S.I Unit :- m/s

Formula :- Distance/time

$\large\bf{\underline{\red{Velocity}}}$

S.I Unit :- m/s

Formula :- Displacement/time

$\large\bf{\underline{\red{Acceleration}}}$

S.I Unit :- m/s²

Formula :- V-u/t

$\large\bf{\underline{\red{Distance}}}$

S.I Unit :- m

Formula :- u + at

$\large\bf{\underline{\red{Displacement}}}$

S.I Unit :- m

Formula :- ut + ½at²

$\large\bf{\underline{\red{Time}}}$

S.I Unit :- Sec

Formula :- v² - u²

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