Question

A bus increases its speed from 36 km / h to 72 km / h in 10 sec its acceleration is​

Answer 1

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$\Large\fbox{\color{purple}{QUESTION}}$

A bus increases its speed from 36 km / h to 72 km / h in 10 sec its acceleration is.

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$\bf\Huge\red{\mid{\overline{\underline{ ANSWER }}}\mid }$

Given,

u=36 $\frac{km}{h}$

= 36 × $\frac{5}{18}$

= 10 $\frac{m}{s}$

v= 72 $\frac{km}{h}$

= 72 × $\frac{5}{18}$

= 20 $\frac{m}{s}$

t= 10 second

we know that,

v=u + at

20= 10+a×10

20= 10+ 10a

10 =10a

a= 1 $\frac{m}{s^2}$