1.

A train starting from a railway station and moving with uniform acceleration attains a speed 40 km/hr in 10 minutes. Find its acceleration....CAN ANYONE GIVE ME ITS ANSWER STEP BY STEP??????

Answer»

Answer:

0.0185m/s²

Explanation:

Given :

  • Final velocity,v => 40km/hr = 11.1m/s    

[1km/hr = 1000/3600m/s]

  • Time,t = 10min = 10*60 = 600s               [1min = 60s]

Find :

  • Acceleration,a

Solution :

According to the 1st equation of motion:-

\sf{}v=u+at

Put their values and solve it

\implies \sf{} 11.1=0+(a)(600)

\implies \sf{} 11.1=600a

\implies \sf{} \dfrac{11.1}{600}=a

\therefore \sf{} a= 0.0185m/s^2

Hence,acceleration is equal to 0.0185m/s²

☆Additional Information☆

  • 2nd equation of motion

\sf{}s=ut + \dfrac{1}{2}at^2

  • 3RD equation of motion

\sf{}v^2-u^2=2as



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