A train covers 54 km in 10 minutes- Find the speed of the train-A- 60 m s -1B- 70 m s -1C- 80 m s -1D- 90 m s -1

The correct option is D 90 m s^ 1Given: Distance covered by the nbsp;train: d = 54 km d = 54 × 1000 m = 54000 m Time taken: t = 10 min = 10 × 60 s = nb ...

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Byju's Answer

Standard VIII

Physics

Speed

A train cover...

Question

A train covers $54 k m$ in $10 m i n u t e s$ . Find the speed of the train?

60 {m s}^{- 1}

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70 {m s}^{- 1}

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80 {m s}^{- 1}

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90 {m s}^{- 1}

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Solution

The correct option is D $90 {m s}^{- 1}$
Given:
Distance covered by the train:
$d = 54 k m$
$d = 54 \times 1000 m = 54000 m$
Time taken:
$t = 10 m i n = 10 \times 60 s = 600 s$

Average speed is the ratio of the distance covered to the time taken.

$v = \frac{d}{t}$
$v = \frac{54000 m}{600 s}$
$v = 90 {m s}^{- 1}$

So, the speed of the train is $90 {m s}^{- 1}$ .

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A train covers 54 km in 10 minutes. Find the speed of the train?

The correct option is D 90 m s−1Given: Distance covered by the train: d=54 km d=54×1000 m=54000 m Time taken: t=10 min=10×60 s=600 s Average speed is the ratio of the distance covered to the time taken. v=dt v=54000 m600 s v=90 m s−1 So, the speed of the train is 90 m s−1.

A train covers $54 k m$ in $10 m i n u t e s$ . Find the speed of the train?