Question

A 100 long train it average speed 72 km per hour .it take to cover 15 second to cover a bridge what is the length of bridge

Answer 1

Answer:

first of all we will convert into m per second

Step-by-step explanation:

72 km per hour= 20m/s

according to distance formula

s=vt

 = 20m/s*15

=300m

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