Physics, asked by Minichikumari14, 7 hours ago

A train travelling at 20m/s accelerates at 0.5m per second square for 30s. How far will it travel in this time?​

Answers

Answered by EliteSoul
89

Given :

Initial velocity of train, u = 20 m/s

Acceleration of train, a = 0.5 m/s²

Time taken, t = 30 s

To find :

Distance travelled in this time.

Solution :

1st equation of motion -

v = u + at

⇒ v = 20 + 0.5 × 30

⇒ v = 20 + 15

v = 35 m/s

Final velocity of train, v = 35 m/s.

Now, using 3rd equation of motion -

v² = u² + 2as

⇒ 35² = 20² + 2 × 0.5 × s

⇒ 1225 = 400 + 1 × s

⇒ 1225 - 400 = s

s = 825 m

The train will travel 825 m of distance in this time.

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