A train 100 m long passes over a bridge at a velocity of 60 km/h. If it takes 1 minute to cross the bridge, the length of the bridge will be :
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Explanation:
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Exercises 7.3
1. The teacher tells the class that the highest marks obtained by a student in the class is twice the lowest
marks plus 8. The highest marks is 98. What is the lowest marks?
2. The length of a rectangular plot is a 4 m less than twice its breadth. Find the dimensions of the plot
perimeter is 58 m.....
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Explanation:
Speed of the train= 60km/h
to convert km/h into m/s
=5/18 ×60= 100/9
Time=1min=60 sec
Distance=speed×time
=11.1/
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