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The area of a square field is 60025 m² . A man cycles along its boundary at 18 km/h . In how much time will he return to the starting point ?


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Answer 1

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The area of a square field is 60,025 m square. A man cycles along its boundary at 18 km/h. In how much time will he return to the starting point?

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9 Answers



Shubham Patil

, BE Mechanical from SCOE (2018)

Answered July 31, 2018

Area=60025 m square =side^2

Therefore, side of field= 245m

Now, the perimeter or the length of boundary of field= 4*side= 980m

Now, we know that speed=distance/time

But given speed is in km/hr

So, speed in m/s= 18*(1000/3600) =18*(5/18) = 5m/s

Now, speed = distance/ time

So, 5= 980/t

So, time taken= 980/5= 196 seconds

or 3 minutes 16 seconds.

Answer 2

Answer:

The Platte River is a major river in the State of Nebraska. It is about 310 mi long; measured to its farthest source via its tributary, the North Platte River, it flows for over 1,050 miles

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