Question

What is velocity ?




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Answer 1

$\huge\mathbb{\pink{ ANSWER ♡ -}}\star{}$

Velocity :- Velocity of a body is defined as its displacement per unit time .

• $velocity \: = \frac{displacement}{time}$

• Velocity is vector quantity and its SI unit is m/s .

• Velocity can be positive , negative or zero .

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$\implies$ Know More :-

Speed :- speed of a body is defined as distance travelled by its per unit time .

• $speed = \frac{distance}{time}$

• speed is a scalar quantity and its SI unit is m/s .

Acceleration :- acceleration is defined as rate of change of velocity .

• It is a vector quantity .

• $acceleration \: = \frac{v \: - \: u}{t}$

Equation of motion :-

u = Initial velocity

v = Final velocity

a = acceleration

s = distance

t = time taken

1 Equation :- v = u + at

2 Equation :- $s \: = \: ut + \frac{1}{2} at {}^{2}$

3 Equation :- v² = u² + 2as

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