Question

Hey! Explain your answer step by step. Dont give absurd answers​

Answer 1

Explanation:

v1+v2t1−t2. Hint: Average acceleration of a particle is defined as the ratio of the change in velocity with respect to elapsed time. As particles move along a straight line, the change in velocity can be calculated directly by taking differences in the velocities.

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Answer 2

${\bold{\green{\underline{\underline{We \: Know...}}}}}$

Formula of Average Speed :⇒

$\frac{Total \: Distance \: travel \: }{Total \: Time \: taken}$

$VaVg = \frac{ \frac{x}{3} + \frac{2}{3} x}{t1 + t2}$

$\;\large{\boxed{\bf{\red{ \frac{x}{t1 + t2} }}}} - - (i)$

$t1 = \frac{ \frac{x}{3} }{v1}$

:;

$t2 = \frac{ \frac{2}{3} x}{v2}$

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$VaVg = \frac{\sf\red{x}}{ \frac{ \frac{\sf\red{x}}{3} }{v1} + \frac{ \frac{2}{3}\sf\red{x} }{v2} }$

$VaVg = \frac{1}{ \frac{1}{3v1} + \frac{2}{3v2} }$

$VaVg = \frac{ \frac{1}{v2 + 2v1} }{3v1v2}$

$\;\large{\boxed{\bf{\green{ VaVg = \frac{3v1v2}{2v1 + v2} }}}}$

$\sf\blue{hope \: this \: helps \: you!! \: }$

@Mahor2111

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