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Distance-Time Graphs

a train 100 m...

Question

a train 100 m long is moving with a constant velocity of 60 kmh-1 find the time it takes to cross the bridge 1 km long

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Solution

Dear student,
$L e n g t h o f t h e b r i d g e = 1 K m = 1000 m L e n g t h o f t h e t r a i n = 100 m T o t a l d i s \tan c e = 1000 + 100 = 1100 m S p e e d o f t h e t r a i n = 60 K m / h r = 60 \times \frac{5}{18} = 16.66 m / s t i m e = \frac{d i s \tan c e}{s p e e d} = \frac{1100}{16.66} = 66.07 s e c$

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