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A train starting from a railway …

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A train starting from a railway station And moving with uniform acceleration attains a speed 40km/h in 10mins.Find its acceleration.

Posted by Aparna Singh 4 years, 4 months ago

CBSE > Class 09 > Science

1 answers

Yogita Ingle 4 years, 4 months ago

Initial speed of the train, u = 0 km (Because train starts from the rest.

Final speed of the train, v = 40 km/h = \frac{5}{18} × 40 = 11.11 m/s.

Time taken to attain the speed = 10 minutes = 10 × 60 = 600 sec.

Acceleration of the train.

{tex}⇒ a=\frac{v-u}{t}{/tex}

Putting all the values, we get

{tex}⇒ a=\frac{v-u}{t}{/tex}

{tex}⇒ a=\frac{11.11-0}{600}{/tex}

{tex}⇒ a=\frac{11.11}{600}{/tex}

{tex}⇒ a=0.0185 \: m/s^2{/tex}

Hence, Acceleration of the train is 0.0185 m/s².

0Thank You

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