Question

A trian of length 50m is moving with a constant speed10m/s. Time taken to cross a bridge of length 250m is

Answer 1

Answer:

30 seconds

Explanation:

Total distance=Length of train+length of bridge

Total distance=300

Speed=10m/s

Now,

Time takem =Distance/Speed

Time taken=300/10

TIME TAKEN =30sec.

The train will take 30 seconds to cross the bridge

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Answer 2

$\huge\underline\mathfrak{Solution :-}$

Question :-

A train of length 50m is moving with a constant speed 10m/s . What is the time taken to cross the bridge of length 250 m ?

Answer :-

Given :-

• Length of the train ( d ) = 50 m
• Speed of the train ( s ) = 10 m/s
• Distance of the bridge ( D ) = 250 m

To find :-

• Time taken ( T ) = ?

Formula :-

• Total distance ( t ) = Length of the train ( d ) + Distance of the bridge ( D ) .
• Time taken ( T ) = Total distance ( t ) / Speed of the train ( s ) .

Solution ,

Total distance ( t ) = Length of the train ( d ) + Distance of the bridge ( D )

=> t = d + D

=> t = ( 50 + 250 ) m

=> t = 300 m .

Therefore ,

Time taken ( T ) = Total distance ( t ) / Speed of the train ( s )

=> T = 300 m / 10 m/s

=> T = 30 s .

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Answer :- Time taken = 30 s

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